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In the figure , you can see two dwarf elliptical galaxies that are companions to the Andromeda Galaxy .
TQA:T_1215_6
6
see
true
see
[ "where", "can", "someone", "see", "something", "_", "_", "?" ]
[ "In the figure" ]
[ [ 0, 3 ] ]
In the figure , you can see two dwarf elliptical galaxies that are companions to the Andromeda Galaxy .
TQA:T_1215_6
6
see
true
see
[ "who", "can", "_", "see", "something", "_", "_", "?" ]
[ "you" ]
[ [ 4, 5 ] ]
Dwarf galaxies are often found near larger galaxies .
TQA:T_1215_8
4
found
true
find
[ "what", "is", "_", "found", "_", "near", "something", "?" ]
[ "Dwarf galaxies" ]
[ [ 0, 2 ] ]
Dwarf galaxies are often found near larger galaxies .
TQA:T_1215_8
4
found
true
find
[ "what", "is", "something", "found", "_", "near", "_", "?" ]
[ "larger galaxies", "near larger galaxies" ]
[ [ 6, 8 ], [ 5, 8 ] ]
They sometimes collide with and merge into their larger neighbors .
TQA:T_1215_9
2
collide
true
collide
[ "what", "_", "_", "collides", "_", "with", "someone", "?" ]
[ "They" ]
[ [ 0, 1 ] ]
They sometimes collide with and merge into their larger neighbors .
TQA:T_1215_9
2
collide
true
collide
[ "what", "does", "something", "collide", "_", "with", "_", "?" ]
[ "their larger neighbors", "larger neighbors" ]
[ [ 7, 10 ], [ 8, 10 ] ]
They sometimes collide with and merge into their larger neighbors .
TQA:T_1215_9
2
collide
true
collide
[ "when", "does", "something", "collide", "_", "with", "something", "?" ]
[ "sometimes" ]
[ [ 1, 2 ] ]
They sometimes collide with and merge into their larger neighbors .
TQA:T_1215_9
5
merge
true
merge
[ "what", "does", "something", "merge", "_", "into", "_", "?" ]
[ "neighbors", "their larger neighbors" ]
[ [ 9, 10 ], [ 7, 10 ] ]
They sometimes collide with and merge into their larger neighbors .
TQA:T_1215_9
5
merge
true
merge
[ "what", "_", "_", "merges", "_", "_", "_", "?" ]
[ "They" ]
[ [ 0, 1 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
4
discuss
true
discuss
[ "what", "did", "someone", "discuss", "_", "_", "_", "?" ]
[ "Earth history" ]
[ [ 5, 7 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
4
discuss
true
discuss
[ "who", "_", "_", "discussed", "something", "_", "_", "?" ]
[ "scientists" ]
[ [ 8, 9 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
9
needed
true
need
[ "what", "did", "someone", "need", "_", "_", "_", "?" ]
[ "way to refer to the time periods in which events happened and organisms lived", "some way to refer to the time periods in which events happened and organisms lived" ]
[ [ 11, 25 ], [ 10, 25 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
9
needed
true
need
[ "who", "_", "_", "needed", "something", "_", "_", "?" ]
[ "scientists" ]
[ [ 8, 9 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
9
needed
true
need
[ "why", "did", "someone", "need", "something", "_", "_", "?" ]
[ "To be able to discuss Earth history" ]
[ [ 0, 7 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
13
refer
true
refer
[ "what", "does", "someone", "refer", "_", "to", "_", "?" ]
[ "the time periods in which events happened and organisms lived", "time periods" ]
[ [ 15, 25 ], [ 16, 18 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
13
refer
true
refer
[ "who", "_", "_", "refers", "_", "to", "something", "?" ]
[ "scientists" ]
[ [ 8, 9 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
13
refer
true
refer
[ "why", "does", "someone", "refer", "_", "to", "something", "?" ]
[ "To be able to discuss Earth history" ]
[ [ 0, 7 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
24
lived
true
live
[ "who", "_", "_", "lived", "_", "_", "_", "?" ]
[ "organisms" ]
[ [ 23, 24 ] ]
To be able to discuss Earth history , scientists needed some way to refer to the time periods in which events happened and organisms lived .
TQA:T_1216_0
21
happened
true
happen
[ "what", "_", "_", "happened", "_", "_", "_", "?" ]
[ "events" ]
[ [ 20, 21 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
4
collected
true
collect
[ "what", "did", "someone", "collect", "_", "from", "something", "?" ]
[ "information", "the information" ]
[ [ 2, 3 ], [ 1, 3 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
4
collected
true
collect
[ "what", "did", "someone", "collect", "something", "from", "_", "?" ]
[ "fossil evidence", "from fossil evidence" ]
[ [ 6, 8 ], [ 5, 8 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
4
collected
true
collect
[ "who", "_", "_", "collected", "something", "from", "something", "?" ]
[ "they" ]
[ [ 3, 4 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
9
using
true
use
[ "what", "is", "someone", "using", "_", "_", "_", "?" ]
[ "Stenos principles" ]
[ [ 10, 12 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
9
using
true
use
[ "who", "is", "_", "using", "something", "_", "_", "?" ]
[ "they", "they" ]
[ [ 13, 14 ], [ 3, 4 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
14
created
true
create
[ "how", "did", "someone", "create", "something", "_", "_", "?" ]
[ "With the information they collected from fossil evidence and using Stenos principles", "using Stenos principles", "collected from fossil evidence and using Stenos principles" ]
[ [ 0, 12 ], [ 9, 12 ], [ 4, 12 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
14
created
true
create
[ "what", "did", "someone", "create", "_", "_", "_", "?" ]
[ "a listing of rock layers from oldest to youngest", "a listing of rock layers" ]
[ [ 15, 24 ], [ 15, 20 ] ]
With the information they collected from fossil evidence and using Stenos principles , they created a listing of rock layers from oldest to youngest .
TQA:T_1216_1
14
created
true
create
[ "who", "_", "_", "created", "something", "_", "_", "?" ]
[ "they", "they" ]
[ [ 13, 14 ], [ 3, 4 ] ]
Then they divided Earths history into blocks of time with each block separated by important events , such as the disappearance of a species of fossil from the rock record .
TQA:T_1216_2
2
divided
true
divide
[ "what", "did", "someone", "divide", "_", "into", "something", "?" ]
[ "Earths history" ]
[ [ 3, 5 ] ]
Then they divided Earths history into blocks of time with each block separated by important events , such as the disappearance of a species of fossil from the rock record .
TQA:T_1216_2
2
divided
true
divide
[ "what", "did", "someone", "divide", "something", "into", "_", "?" ]
[ "blocks of time" ]
[ [ 6, 9 ] ]
Then they divided Earths history into blocks of time with each block separated by important events , such as the disappearance of a species of fossil from the rock record .
TQA:T_1216_2
2
divided
true
divide
[ "who", "_", "_", "divided", "something", "into", "something", "?" ]
[ "they" ]
[ [ 1, 2 ] ]
Then they divided Earths history into blocks of time with each block separated by important events , such as the disappearance of a species of fossil from the rock record .
TQA:T_1216_2
12
separated
true
separate
[ "what", "is", "_", "separated", "_", "by", "something", "?" ]
[ "each block", "blocks of time" ]
[ [ 10, 12 ], [ 6, 9 ] ]
Then they divided Earths history into blocks of time with each block separated by important events , such as the disappearance of a species of fossil from the rock record .
TQA:T_1216_2
12
separated
true
separate
[ "what", "is", "something", "separated", "_", "by", "_", "?" ]
[ "important events" ]
[ [ 14, 16 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
7
assigned
true
assign
[ "what", "did", "someone", "assign", "_", "_", "_", "?" ]
[ "names to times in Earths history" ]
[ [ 8, 14 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
7
assigned
true
assign
[ "who", "_", "_", "assigned", "something", "_", "_", "?" ]
[ "scientists", "many of the scientists" ]
[ [ 4, 5 ], [ 1, 5 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
19
named
true
name
[ "what", "did", "someone", "name", "_", "_", "_", "?" ]
[ "the blocks of time from towns or other local places where the rock layers that represented that time were found" ]
[ [ 20, 40 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
19
named
true
name
[ "who", "_", "_", "named", "something", "_", "_", "?" ]
[ "scientists", "many of the scientists who first assigned names to times in Earths history", "they" ]
[ [ 4, 5 ], [ 1, 14 ], [ 18, 19 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
35
represented
true
represent
[ "what", "did", "something", "represent", "_", "_", "_", "?" ]
[ "that time were found", "rock layers" ]
[ [ 36, 40 ], [ 32, 34 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
35
represented
true
represent
[ "what", "_", "_", "represented", "something", "_", "_", "?" ]
[ "the rock layers", "scientists", "rock layers" ]
[ [ 31, 34 ], [ 4, 5 ], [ 32, 34 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
39
found
true
find
[ "what", "was", "_", "found", "_", "_", "_", "?" ]
[ "rock layers", "the rock layers that represented that time" ]
[ [ 32, 34 ], [ 31, 38 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
39
found
true
find
[ "where", "was", "something", "found", "_", "_", "_", "?" ]
[ "towns or other local places", "Europe" ]
[ [ 25, 30 ], [ 16, 17 ] ]
Since many of the scientists who first assigned names to times in Earths history were from Europe , they named the blocks of time from towns or other local places where the rock layers that represented that time were found .
TQA:T_1216_3
39
found
true
find
[ "who", "_", "_", "found", "something", "_", "_", "?" ]
[ "scientists", "the scientists" ]
[ [ 4, 5 ], [ 3, 5 ] ]
From these blocks of time the scientists created the geologic time scale -LRB- Figure 1.1 -RRB- .
TQA:T_1216_4
7
created
true
create
[ "what", "did", "someone", "create", "_", "_", "_", "?" ]
[ "the geologic time scale" ]
[ [ 8, 12 ] ]
From these blocks of time the scientists created the geologic time scale -LRB- Figure 1.1 -RRB- .
TQA:T_1216_4
7
created
true
create
[ "who", "_", "_", "created", "something", "_", "_", "?" ]
[ "scientists", "the scientists" ]
[ [ 6, 7 ], [ 5, 7 ] ]
Why do you think that the more recent time periods are divided more finely ?
TQA:T_1216_6
1
do
true
do
[ "who", "_", "_", "does", "_", "_", "_", "?" ]
[ "you" ]
[ [ 2, 3 ] ]
Why do you think that the more recent time periods are divided more finely ?
TQA:T_1216_6
3
think
true
think
[ "what", "does", "someone", "think", "_", "_", "_", "?" ]
[ "the more recent time periods are divided more finely", "that the more recent time periods are divided more finely" ]
[ [ 5, 14 ], [ 4, 14 ] ]
Why do you think that the more recent time periods are divided more finely ?
TQA:T_1216_6
3
think
true
think
[ "who", "_", "_", "thinks", "_", "_", "_", "?" ]
[ "you" ]
[ [ 2, 3 ] ]
Why do you think that the more recent time periods are divided more finely ?
TQA:T_1216_6
11
divided
true
divide
[ "how", "is", "something", "divided", "_", "_", "_", "?" ]
[ "more finely" ]
[ [ 12, 14 ] ]
Why do you think that the more recent time periods are divided more finely ?
TQA:T_1216_6
11
divided
true
divide
[ "what", "is", "_", "divided", "_", "_", "_", "?" ]
[ "recent time periods", "the more recent time periods" ]
[ [ 7, 10 ], [ 5, 10 ] ]
Do you think the divisions in the scale below are proportional to the amount of time each time period represented in Earth history ?
TQA:T_1216_7
0
Do
true
do
[ "what", "does", "someone", "do", "_", "_", "_", "?" ]
[ "think" ]
[ [ 2, 3 ] ]
Do you think the divisions in the scale below are proportional to the amount of time each time period represented in Earth history ?
TQA:T_1216_7
0
Do
true
do
[ "who", "_", "_", "does", "something", "_", "_", "?" ]
[ "you" ]
[ [ 1, 2 ] ]
Do you think the divisions in the scale below are proportional to the amount of time each time period represented in Earth history ?
TQA:T_1216_7
2
think
true
think
[ "what", "does", "someone", "think", "_", "_", "_", "?" ]
[ "the divisions in the scale below are proportional to the amount of time each time period represented in Earth history" ]
[ [ 3, 23 ] ]
Do you think the divisions in the scale below are proportional to the amount of time each time period represented in Earth history ?
TQA:T_1216_7
2
think
true
think
[ "who", "_", "_", "thinks", "_", "_", "_", "?" ]
[ "you" ]
[ [ 1, 2 ] ]
Do you think the divisions in the scale below are proportional to the amount of time each time period represented in Earth history ?
TQA:T_1216_7
19
represented
true
represent
[ "how", "is", "something", "represented", "_", "_", "_", "?" ]
[ "divisions in the scale below", "in Earth history" ]
[ [ 4, 9 ], [ 20, 23 ] ]
Do you think the divisions in the scale below are proportional to the amount of time each time period represented in Earth history ?
TQA:T_1216_7
19
represented
true
represent
[ "what", "is", "_", "represented", "_", "_", "_", "?" ]
[ "each time period", "time period" ]
[ [ 16, 19 ], [ 17, 19 ] ]
In what eon , era , period and epoch do we now live ?
TQA:T_1216_8
9
do
true
do
[ "what", "does", "someone", "do", "_", "_", "_", "?" ]
[ "live" ]
[ [ 12, 13 ] ]
In what eon , era , period and epoch do we now live ?
TQA:T_1216_8
9
do
true
do
[ "when", "does", "someone", "do", "_", "_", "_", "?" ]
[ "now", "what eon , era , period and epoch" ]
[ [ 11, 12 ], [ 1, 9 ] ]
In what eon , era , period and epoch do we now live ?
TQA:T_1216_8
9
do
true
do
[ "who", "_", "_", "does", "_", "_", "_", "?" ]
[ "we" ]
[ [ 10, 11 ] ]
In what eon , era , period and epoch do we now live ?
TQA:T_1216_8
12
live
true
live
[ "when", "is", "someone", "living", "_", "_", "_", "?" ]
[ "now", "period", "era", "epoch", "eon" ]
[ [ 11, 12 ], [ 6, 7 ], [ 4, 5 ], [ 8, 9 ], [ 2, 3 ] ]
In what eon , era , period and epoch do we now live ?
TQA:T_1216_8
12
live
true
live
[ "who", "is", "_", "living", "_", "_", "_", "?" ]
[ "we" ]
[ [ 10, 11 ] ]
We live in the Holocene -LRB- sometimes called Recent -RRB- epoch , Quaternary period , Cenozoic era , and Phanerozoic eon .
TQA:T_1216_9
1
live
true
live
[ "what", "_", "_", "lives", "_", "_", "somewhere", "?" ]
[ "We" ]
[ [ 0, 1 ] ]
We live in the Holocene -LRB- sometimes called Recent -RRB- epoch , Quaternary period , Cenozoic era , and Phanerozoic eon .
TQA:T_1216_9
1
live
true
live
[ "where", "does", "something", "live", "_", "_", "somewhere", "?" ]
[ "Quaternary period , Cenozoic era , and Phanerozoic eon" ]
[ [ 12, 21 ] ]
We live in the Holocene -LRB- sometimes called Recent -RRB- epoch , Quaternary period , Cenozoic era , and Phanerozoic eon .
TQA:T_1216_9
1
live
true
live
[ "where", "does", "something", "live", "_", "_", "_", "?" ]
[ "Cenozoic era", "Holocene", "Recent", "Holocene -LRB- sometimes called Recent -RRB- epoch", "Phanerozoic eon", "Quaternary period", "the Holocene -LRB- sometimes called Recent -RRB- epoch" ]
[ [ 15, 17 ], [ 4, 5 ], [ 8, 9 ], [ 4, 11 ], [ 19, 21 ], [ 12, 14 ], [ 3, 11 ] ]
We live in the Holocene -LRB- sometimes called Recent -RRB- epoch , Quaternary period , Cenozoic era , and Phanerozoic eon .
TQA:T_1216_9
7
called
true
call
[ "what", "is", "_", "called", "something", "_", "_", "?" ]
[ "Holocene", "the Holocene" ]
[ [ 4, 5 ], [ 3, 5 ] ]
We live in the Holocene -LRB- sometimes called Recent -RRB- epoch , Quaternary period , Cenozoic era , and Phanerozoic eon .
TQA:T_1216_9
7
called
true
call
[ "what", "is", "something", "called", "_", "_", "_", "?" ]
[ "Recent" ]
[ [ 8, 9 ] ]
We live in the Holocene -LRB- sometimes called Recent -RRB- epoch , Quaternary period , Cenozoic era , and Phanerozoic eon .
TQA:T_1216_9
7
called
true
call
[ "when", "is", "something", "called", "something", "_", "_", "?" ]
[ "sometimes" ]
[ [ 6, 7 ] ]
Its always fun to think about geologic time in a framework that we can more readily understand .
TQA:T_1217_0
4
think
true
think
[ "what", "was", "_", "thinking", "_", "about", "something", "?" ]
[ "fun" ]
[ [ 2, 3 ] ]
Its always fun to think about geologic time in a framework that we can more readily understand .
TQA:T_1217_0
4
think
true
think
[ "what", "was", "_", "thought", "_", "about", "_", "?" ]
[ "geologic time", "geologic time in a framework" ]
[ [ 6, 8 ], [ 6, 11 ] ]
Its always fun to think about geologic time in a framework that we can more readily understand .
TQA:T_1217_0
16
understand
true
understand
[ "who", "_", "_", "understands", "something", "_", "_", "?" ]
[ "we" ]
[ [ 12, 13 ] ]
Here are when some major events in Earth history would have occurred if all of earth history was condensed down to one calendar year .
TQA:T_1217_1
11
occurred
true
occur
[ "what", "would", "_", "occurred", "_", "_", "_", "?" ]
[ "major events", "some major events in Earth history" ]
[ [ 4, 6 ], [ 3, 9 ] ]
Here are when some major events in Earth history would have occurred if all of earth history was condensed down to one calendar year .
TQA:T_1217_1
11
occurred
true
occur
[ "where", "would", "something", "occurred", "_", "_", "_", "?" ]
[ "Here", "Earth", "Earth history" ]
[ [ 0, 1 ], [ 7, 8 ], [ 7, 9 ] ]
Here are when some major events in Earth history would have occurred if all of earth history was condensed down to one calendar year .
TQA:T_1217_1
11
occurred
true
occur
[ "why", "would", "something", "occurred", "_", "_", "somewhere", "?" ]
[ "earth history was condensed down to one calendar year", "if all of earth history was condensed down to one calendar year" ]
[ [ 15, 24 ], [ 12, 24 ] ]
January 1 12 am : Earth forms from the planetary nebula - 4600 million years ago February 25 , 12:30 pm : The origin of life ; the first cells - 3900 million years ago March 4 , 3:39 pm : Oldest dated rocks - 3800 million years ago March 20 , 1:33 pm : First stromatolite fossils - 3600 million years ago July 17 , 9:54 pm : first fossil evidence of cells with nuclei - 2100 million years ago November 18 , 5:11 pm : Cambrian Explosion - 544 million years ago December 1 , 8:49 am : first insects - 385 million years ago December 2 , 3:54 am : first land animals , amphibians - 375 million years ago December 5 , 5:50 pm : first reptiles - 330 million years ago December 12 , 12:09 pm : Permo-Triassic Extinction - 245 million years ago December 13 , 8:37 pm : first dinosaurs - 228 million years ago December 14 , 9:59 am : first mammals 220 million years ago December 22 , 8:24 pm : first flowering plants - 115 million years ago December 26 , 7:52 pm : Cretaceous-Tertiary Extinction - 66 million years ago December 26 , 9:47 pm : first ancestors of dogs - 64 million years ago December 27 , 5:25 am : widespread grasses - 60 million years ago December 27 , 11:09 am : first ancestors of pigs and deer - 57 million years ago December 28 , 9:31 pm : first monkeys - 39 million years ago December 31 , 5:18 pm : oldest hominid - 4 million years ago December 31 , 11:02 pm : oldest direct human ancestor - 1 million years ago December 31 , 11:48 pm : first modern human - 200,000 years ago December 31 , 11:59 pm : Revolutionary War - 235 years ago
TQA:T_1217_2
6
forms
true
form
[ "what", "does", "something", "form", "_", "from", "_", "?" ]
[ "Earth", "the planetary nebula" ]
[ [ 5, 6 ], [ 8, 11 ] ]
January 1 12 am : Earth forms from the planetary nebula - 4600 million years ago February 25 , 12:30 pm : The origin of life ; the first cells - 3900 million years ago March 4 , 3:39 pm : Oldest dated rocks - 3800 million years ago March 20 , 1:33 pm : First stromatolite fossils - 3600 million years ago July 17 , 9:54 pm : first fossil evidence of cells with nuclei - 2100 million years ago November 18 , 5:11 pm : Cambrian Explosion - 544 million years ago December 1 , 8:49 am : first insects - 385 million years ago December 2 , 3:54 am : first land animals , amphibians - 375 million years ago December 5 , 5:50 pm : first reptiles - 330 million years ago December 12 , 12:09 pm : Permo-Triassic Extinction - 245 million years ago December 13 , 8:37 pm : first dinosaurs - 228 million years ago December 14 , 9:59 am : first mammals 220 million years ago December 22 , 8:24 pm : first flowering plants - 115 million years ago December 26 , 7:52 pm : Cretaceous-Tertiary Extinction - 66 million years ago December 26 , 9:47 pm : first ancestors of dogs - 64 million years ago December 27 , 5:25 am : widespread grasses - 60 million years ago December 27 , 11:09 am : first ancestors of pigs and deer - 57 million years ago December 28 , 9:31 pm : first monkeys - 39 million years ago December 31 , 5:18 pm : oldest hominid - 4 million years ago December 31 , 11:02 pm : oldest direct human ancestor - 1 million years ago December 31 , 11:48 pm : first modern human - 200,000 years ago December 31 , 11:59 pm : Revolutionary War - 235 years ago
TQA:T_1217_2
6
forms
true
form
[ "what", "_", "_", "forms", "_", "from", "something", "?" ]
[ "from the planetary nebula", "Earth" ]
[ [ 7, 11 ], [ 5, 6 ] ]
January 1 12 am : Earth forms from the planetary nebula - 4600 million years ago February 25 , 12:30 pm : The origin of life ; the first cells - 3900 million years ago March 4 , 3:39 pm : Oldest dated rocks - 3800 million years ago March 20 , 1:33 pm : First stromatolite fossils - 3600 million years ago July 17 , 9:54 pm : first fossil evidence of cells with nuclei - 2100 million years ago November 18 , 5:11 pm : Cambrian Explosion - 544 million years ago December 1 , 8:49 am : first insects - 385 million years ago December 2 , 3:54 am : first land animals , amphibians - 375 million years ago December 5 , 5:50 pm : first reptiles - 330 million years ago December 12 , 12:09 pm : Permo-Triassic Extinction - 245 million years ago December 13 , 8:37 pm : first dinosaurs - 228 million years ago December 14 , 9:59 am : first mammals 220 million years ago December 22 , 8:24 pm : first flowering plants - 115 million years ago December 26 , 7:52 pm : Cretaceous-Tertiary Extinction - 66 million years ago December 26 , 9:47 pm : first ancestors of dogs - 64 million years ago December 27 , 5:25 am : widespread grasses - 60 million years ago December 27 , 11:09 am : first ancestors of pigs and deer - 57 million years ago December 28 , 9:31 pm : first monkeys - 39 million years ago December 31 , 5:18 pm : oldest hominid - 4 million years ago December 31 , 11:02 pm : oldest direct human ancestor - 1 million years ago December 31 , 11:48 pm : first modern human - 200,000 years ago December 31 , 11:59 pm : Revolutionary War - 235 years ago
TQA:T_1217_2
6
forms
true
form
[ "when", "does", "something", "form", "_", "from", "something", "?" ]
[ "4600 million years ago February 25 , 12:30 pm", "4600 million years ago", "January 1 12 am" ]
[ [ 12, 21 ], [ 12, 16 ], [ 0, 4 ] ]
Stress is the force applied to an object .
TQA:T_1218_0
4
applied
true
apply
[ "what", "is", "_", "applied", "_", "to", "something", "?" ]
[ "force" ]
[ [ 3, 4 ] ]
Stress is the force applied to an object .
TQA:T_1218_0
4
applied
true
apply
[ "what", "is", "something", "applied", "_", "to", "_", "?" ]
[ "an object" ]
[ [ 6, 8 ] ]
In geology , stress is the force per unit area that is placed on a rock .
TQA:T_1218_1
12
placed
true
place
[ "what", "is", "_", "placed", "_", "_", "_", "?" ]
[ "force", "the force per unit area", "stress" ]
[ [ 6, 7 ], [ 5, 10 ], [ 3, 4 ] ]
In geology , stress is the force per unit area that is placed on a rock .
TQA:T_1218_1
12
placed
true
place
[ "where", "is", "something", "placed", "_", "_", "_", "?" ]
[ "rock", "on a rock" ]
[ [ 15, 16 ], [ 13, 16 ] ]
Rocks under tension lengthen or break apart .
TQA:T_1218_10
3
lengthen
true
lengthen
[ "what", "_", "_", "lengthens", "_", "_", "_", "?" ]
[ "Rocks", "Rocks under tension" ]
[ [ 0, 1 ], [ 0, 3 ] ]
Rocks under tension lengthen or break apart .
TQA:T_1218_10
3
lengthen
true
lengthen
[ "why", "does", "something", "lengthen", "_", "_", "_", "?" ]
[ "tension", "under tension", "or break apart" ]
[ [ 2, 3 ], [ 1, 3 ], [ 4, 7 ] ]
Rocks under tension lengthen or break apart .
TQA:T_1218_10
5
break
true
break
[ "how", "does", "something", "break", "_", "_", "_", "?" ]
[ "apart" ]
[ [ 6, 7 ] ]
Rocks under tension lengthen or break apart .
TQA:T_1218_10
5
break
true
break
[ "what", "_", "_", "breaks", "_", "_", "_", "?" ]
[ "Rocks", "Rocks under tension" ]
[ [ 0, 1 ], [ 0, 3 ] ]
When forces are parallel but moving in opposite directions , the stress is called shear -LRB- Figure 1.2 -RRB- .
TQA:T_1218_12
5
moving
true
move
[ "what", "is", "_", "moved", "_", "_", "_", "?" ]
[ "forces" ]
[ [ 1, 2 ] ]
When forces are parallel but moving in opposite directions , the stress is called shear -LRB- Figure 1.2 -RRB- .
TQA:T_1218_12
5
moving
true
move
[ "where", "is", "something", "moved", "_", "_", "_", "?" ]
[ "opposite directions", "in opposite directions" ]
[ [ 7, 9 ], [ 6, 9 ] ]
When forces are parallel but moving in opposite directions , the stress is called shear -LRB- Figure 1.2 -RRB- .
TQA:T_1218_12
13
called
true
call
[ "what", "is", "_", "called", "something", "_", "_", "?" ]
[ "the stress" ]
[ [ 10, 12 ] ]
When forces are parallel but moving in opposite directions , the stress is called shear -LRB- Figure 1.2 -RRB- .
TQA:T_1218_12
13
called
true
call
[ "what", "is", "something", "called", "_", "_", "_", "?" ]
[ "shear" ]
[ [ 14, 15 ] ]
Shear stress is the most common stress at transform plate boundaries .
TQA:T_1218_13
8
transform
true
transform
[ "what", "is", "_", "transformed", "_", "_", "_", "?" ]
[ "stress", "plate boundaries" ]
[ [ 6, 7 ], [ 9, 11 ] ]
Shear stress is the most common stress at transform plate boundaries .
TQA:T_1218_13
8
transform
true
transform
[ "why", "is", "something", "transformed", "_", "_", "_", "?" ]
[ "Shear stress" ]
[ [ 0, 2 ] ]
Shearing in rocks .
TQA:T_1218_14
0
Shearing
true
shear
[ "where", "is", "something", "shearing", "_", "_", "_", "?" ]
[ "in rocks" ]
[ [ 1, 3 ] ]
The white quartz vein has been elongated by shear .
TQA:T_1218_15
6
elongated
true
elongate
[ "how", "has", "something", "elongated", "_", "_", "_", "?" ]
[ "by shear", "shear" ]
[ [ 7, 9 ], [ 8, 9 ] ]
The white quartz vein has been elongated by shear .
TQA:T_1218_15
6
elongated
true
elongate
[ "what", "has", "_", "elongated", "_", "_", "_", "?" ]
[ "The white quartz vein" ]
[ [ 0, 4 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
2
causes
true
cause
[ "what", "is", "_", "causing", "something", "_", "to do something", "?" ]
[ "stress" ]
[ [ 1, 2 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
2
causes
true
cause
[ "what", "is", "something", "causing", "something", "_", "to do", "?" ]
[ "change shape", "a material", "to change shape" ]
[ [ 6, 8 ], [ 3, 5 ], [ 5, 8 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
2
causes
true
cause
[ "what", "is", "something", "causing", "_", "_", "to do something", "?" ]
[ "material", "change shape", "a material" ]
[ [ 4, 5 ], [ 6, 8 ], [ 3, 5 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
2
causes
true
cause
[ "when", "is", "something", "causing", "something", "_", "to do something", "?" ]
[ "When" ]
[ [ 0, 1 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
6
change
true
change
[ "how", "can", "something", "change", "_", "_", "_", "?" ]
[ "shape", "When stress causes a material" ]
[ [ 7, 8 ], [ 0, 5 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
6
change
true
change
[ "what", "can", "_", "change", "_", "_", "_", "?" ]
[ "material", "shape", "a material" ]
[ [ 4, 5 ], [ 7, 8 ], [ 3, 5 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
6
change
true
change
[ "why", "might", "something", "change", "_", "_", "_", "?" ]
[ "stress" ]
[ [ 1, 2 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
11
undergone
true
undergo
[ "what", "has", "something", "undergone", "_", "_", "_", "?" ]
[ "strain", "deformation", "strain or deformation" ]
[ [ 12, 13 ], [ 14, 15 ], [ 12, 15 ] ]
When stress causes a material to change shape , it has undergone strain or deformation .
TQA:T_1218_16
11
undergone
true
undergo
[ "what", "has", "_", "undergone", "something", "_", "_", "?" ]
[ "it", "a material" ]
[ [ 9, 10 ], [ 3, 5 ] ]