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Index fossils are commonly used to match rock layers in different places .
TQA:T_0081_0
6
match
true
match
[ "where", "is", "something", "matched", "_", "_", "_", "?" ]
[ "in different places", "different places" ]
[ [ 9, 12 ], [ 10, 12 ] ]
You can see how this works in Figure
TQA:T_0081_1
2
see
true
see
[ "what", "can", "someone", "see", "_", "_", "_", "?" ]
[ "how this works in Figure", "how this works" ]
[ [ 3, 8 ], [ 3, 6 ] ]
You can see how this works in Figure
TQA:T_0081_1
2
see
true
see
[ "who", "can", "_", "see", "something", "_", "_", "?" ]
[ "You" ]
[ [ 0, 1 ] ]
You can see how this works in Figure
TQA:T_0081_1
5
works
true
work
[ "what", "_", "_", "works", "_", "_", "_", "?" ]
[ "this" ]
[ [ 4, 5 ] ]
You can see how this works in Figure
TQA:T_0081_1
5
works
true
work
[ "where", "does", "something", "work", "_", "_", "_", "?" ]
[ "in Figure" ]
[ [ 6, 8 ] ]
Earth formed 4.5 billion years ago .
TQA:T_0082_0
1
formed
true
form
[ "what", "_", "_", "formed", "_", "_", "_", "?" ]
[ "Earth" ]
[ [ 0, 1 ] ]
Earth formed 4.5 billion years ago .
TQA:T_0082_0
1
formed
true
form
[ "when", "did", "something", "form", "_", "_", "_", "?" ]
[ "4.5 billion years ago" ]
[ [ 2, 6 ] ]
Geologists divide this time span into smaller periods .
TQA:T_0082_1
1
divide
true
divide
[ "how", "does", "someone", "divide", "something", "_", "_", "?" ]
[ "into smaller periods" ]
[ [ 5, 8 ] ]
Geologists divide this time span into smaller periods .
TQA:T_0082_1
1
divide
true
divide
[ "what", "does", "someone", "divide", "_", "_", "_", "?" ]
[ "this time span" ]
[ [ 2, 5 ] ]
Geologists divide this time span into smaller periods .
TQA:T_0082_1
1
divide
true
divide
[ "who", "_", "_", "divides", "something", "_", "_", "?" ]
[ "Geologists" ]
[ [ 0, 1 ] ]
Many of the divisions mark major events in life history .
TQA:T_0082_2
4
mark
true
mark
[ "what", "does", "something", "mark", "_", "_", "_", "?" ]
[ "major events" ]
[ [ 5, 7 ] ]
Many of the divisions mark major events in life history .
TQA:T_0082_2
4
mark
true
mark
[ "what", "_", "_", "marks", "something", "_", "_", "?" ]
[ "Many of the divisions", "divisions" ]
[ [ 0, 4 ], [ 3, 4 ] ]
Many of the divisions mark major events in life history .
TQA:T_0082_2
4
mark
true
mark
[ "where", "does", "something", "mark", "something", "_", "_", "?" ]
[ "in life history", "life history" ]
[ [ 7, 10 ], [ 8, 10 ] ]
Divisions in Earth history are recorded on the geologic time scale .
TQA:T_0083_0
5
recorded
true
record
[ "how", "is", "something", "recorded", "_", "_", "_", "?" ]
[ "on the geologic time scale" ]
[ [ 6, 11 ] ]
Divisions in Earth history are recorded on the geologic time scale .
TQA:T_0083_0
5
recorded
true
record
[ "what", "is", "_", "recorded", "_", "_", "_", "?" ]
[ "Divisions in Earth history" ]
[ [ 0, 4 ] ]
For example , the Cretaceous ended when the dinosaurs went extinct .
TQA:T_0083_1
5
ended
true
end
[ "what", "_", "_", "ended", "_", "_", "_", "?" ]
[ "the Cretaceous" ]
[ [ 3, 5 ] ]
For example , the Cretaceous ended when the dinosaurs went extinct .
TQA:T_0083_1
5
ended
true
end
[ "when", "did", "something", "end", "_", "_", "_", "?" ]
[ "when the dinosaurs went extinct .", "when the dinosaurs went extinct" ]
[ [ 6, 12 ], [ 6, 11 ] ]
For example , the Cretaceous ended when the dinosaurs went extinct .
TQA:T_0083_1
9
went
true
go
[ "how", "did", "something", "go", "_", "_", "_", "?" ]
[ "extinct" ]
[ [ 10, 11 ] ]
For example , the Cretaceous ended when the dinosaurs went extinct .
TQA:T_0083_1
9
went
true
go
[ "what", "_", "_", "went", "_", "_", "_", "?" ]
[ "dinosaurs" ]
[ [ 8, 9 ] ]
European geologists were the first to put together the geologic time scale .
TQA:T_0083_2
6
put
true
put
[ "what", "did", "someone", "put", "_", "_", "_", "?" ]
[ "together the geologic time scale", "the geologic time scale" ]
[ [ 7, 12 ], [ 8, 12 ] ]
European geologists were the first to put together the geologic time scale .
TQA:T_0083_2
6
put
true
put
[ "where", "did", "someone", "put", "something", "_", "_", "?" ]
[ "together" ]
[ [ 7, 8 ] ]
European geologists were the first to put together the geologic time scale .
TQA:T_0083_2
6
put
true
put
[ "who", "_", "_", "put", "something", "_", "_", "?" ]
[ "European geologists" ]
[ [ 0, 2 ] ]
The Jurassic Period is named for the Jura Mountains in France and Switzerland , for example .
TQA:T_0083_4
4
named
true
name
[ "what", "is", "_", "named", "_", "for", "something", "?" ]
[ "The Jurassic Period" ]
[ [ 0, 3 ] ]
The Jurassic Period is named for the Jura Mountains in France and Switzerland , for example .
TQA:T_0083_4
4
named
true
name
[ "what", "is", "something", "named", "_", "for", "_", "?" ]
[ "the Jura Mountains" ]
[ [ 6, 9 ] ]
The Jurassic Period is named for the Jura Mountains in France and Switzerland , for example .
TQA:T_0083_4
4
named
true
name
[ "where", "is", "something", "named", "_", "for", "something", "?" ]
[ "in France", "in France and Switzerland", "Switzerland" ]
[ [ 9, 11 ], [ 9, 13 ], [ 12, 13 ] ]
To create the geologic time scale , geologists correlated rock layers .
TQA:T_0084_0
1
create
true
create
[ "how", "has", "something", "created", "_", "_", "_", "?" ]
[ "correlated rock layers" ]
[ [ 8, 11 ] ]
To create the geologic time scale , geologists correlated rock layers .
TQA:T_0084_0
1
create
true
create
[ "what", "has", "_", "created", "_", "_", "_", "?" ]
[ "the geologic time scale", "geologic time scale" ]
[ [ 2, 6 ], [ 3, 6 ] ]
To create the geologic time scale , geologists correlated rock layers .
TQA:T_0084_0
1
create
true
create
[ "who", "has", "_", "created", "something", "_", "_", "?" ]
[ "geologists" ]
[ [ 7, 8 ] ]
To create the geologic time scale , geologists correlated rock layers .
TQA:T_0084_0
8
correlated
true
correlate
[ "what", "was", "_", "correlated", "_", "_", "_", "?" ]
[ "rock layers" ]
[ [ 9, 11 ] ]
To create the geologic time scale , geologists correlated rock layers .
TQA:T_0084_0
8
correlated
true
correlate
[ "who", "_", "_", "correlated", "_", "_", "_", "?" ]
[ "geologists" ]
[ [ 7, 8 ] ]
To create the geologic time scale , geologists correlated rock layers .
TQA:T_0084_0
8
correlated
true
correlate
[ "why", "did", "someone", "correlate", "_", "_", "_", "?" ]
[ "To create the geologic time scale" ]
[ [ 0, 6 ] ]
Stenos laws were used to determine the relative ages of rocks .
TQA:T_0084_1
3
used
true
use
[ "what", "was", "something", "used", "_", "for", "_", "?" ]
[ "to determine the relative ages of rocks", "to determine the relative ages of rocks ." ]
[ [ 4, 11 ], [ 4, 12 ] ]
Stenos laws were used to determine the relative ages of rocks .
TQA:T_0084_1
5
determine
true
determine
[ "how", "is", "something", "determined", "_", "_", "_", "?" ]
[ "Stenos laws" ]
[ [ 0, 2 ] ]
Stenos laws were used to determine the relative ages of rocks .
TQA:T_0084_1
5
determine
true
determine
[ "what", "is", "_", "determined", "_", "_", "_", "?" ]
[ "the relative ages of rocks" ]
[ [ 6, 11 ] ]
The early geologic time scale could only show the order of events .
TQA:T_0084_3
7
show
true
show
[ "what", "is", "_", "shown", "_", "_", "_", "?" ]
[ "the order of events" ]
[ [ 8, 12 ] ]
The early geologic time scale could only show the order of events .
TQA:T_0084_3
7
show
true
show
[ "what", "is", "_", "showing", "something", "_", "_", "?" ]
[ "The early geologic time scale" ]
[ [ 0, 5 ] ]
The discovery of radioactivity in the late 1800s changed that .
TQA:T_0084_4
8
changed
true
change
[ "what", "_", "_", "changed", "something", "_", "_", "?" ]
[ "The discovery of radioactivity" ]
[ [ 0, 4 ] ]
The discovery of radioactivity in the late 1800s changed that .
TQA:T_0084_4
8
changed
true
change
[ "what", "did", "something", "change", "_", "_", "_", "?" ]
[ "that" ]
[ [ 9, 10 ] ]
The discovery of radioactivity in the late 1800s changed that .
TQA:T_0084_4
8
changed
true
change
[ "when", "did", "something", "change", "something", "_", "_", "?" ]
[ "in the late 1800s" ]
[ [ 4, 8 ] ]
Scientists could determine the exact age of some rocks in years .
TQA:T_0084_5
2
determine
true
determine
[ "what", "can", "someone", "determine", "_", "_", "_", "?" ]
[ "exact age of some rocks", "the exact age of some rocks", "the exact age of some rocks in years" ]
[ [ 4, 9 ], [ 3, 9 ], [ 3, 11 ] ]
Scientists could determine the exact age of some rocks in years .
TQA:T_0084_5
2
determine
true
determine
[ "who", "can", "_", "determine", "something", "_", "_", "?" ]
[ "Scientists" ]
[ [ 0, 1 ] ]
They assigned dates to the time scale divisions .
TQA:T_0084_6
1
assigned
true
assign
[ "how", "did", "someone", "assign", "something", "_", "_", "?" ]
[ "to the time scale divisions", "time scale divisions" ]
[ [ 3, 8 ], [ 5, 8 ] ]
They assigned dates to the time scale divisions .
TQA:T_0084_6
1
assigned
true
assign
[ "what", "did", "someone", "assign", "_", "_", "_", "?" ]
[ "dates" ]
[ [ 2, 3 ] ]
They assigned dates to the time scale divisions .
TQA:T_0084_6
1
assigned
true
assign
[ "who", "_", "_", "assigned", "something", "_", "_", "?" ]
[ "They" ]
[ [ 0, 1 ] ]
For example , the Jurassic began about 200 million years ago .
TQA:T_0084_7
5
began
true
begin
[ "what", "has", "_", "begun", "_", "_", "_", "?" ]
[ "the Jurassic" ]
[ [ 3, 5 ] ]
For example , the Jurassic began about 200 million years ago .
TQA:T_0084_7
5
began
true
begin
[ "when", "has", "something", "begun", "_", "_", "_", "?" ]
[ "about 200 million years ago" ]
[ [ 6, 11 ] ]
It lasted for about 55 million years .
TQA:T_0084_8
1
lasted
true
last
[ "how long", "did", "something", "last", "_", "_", "_", "?" ]
[ "for about 55 million years" ]
[ [ 2, 7 ] ]
It lasted for about 55 million years .
TQA:T_0084_8
1
lasted
true
last
[ "what", "_", "_", "lasted", "_", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
The largest blocks of time on the geologic time scale are called eons .
TQA:T_0085_0
11
called
true
call
[ "what", "is", "_", "called", "something", "_", "_", "?" ]
[ "blocks", "The largest blocks of time on the geologic time scale" ]
[ [ 2, 3 ], [ 0, 10 ] ]
The largest blocks of time on the geologic time scale are called eons .
TQA:T_0085_0
11
called
true
call
[ "what", "is", "something", "called", "_", "_", "_", "?" ]
[ "eons" ]
[ [ 12, 13 ] ]
Eons are split into eras .
TQA:T_0085_1
2
split
true
split
[ "what", "does", "something", "split", "_", "into", "_", "?" ]
[ "eras" ]
[ [ 4, 5 ] ]
Eons are split into eras .
TQA:T_0085_1
2
split
true
split
[ "what", "_", "_", "splits", "_", "_", "_", "?" ]
[ "Eons" ]
[ [ 0, 1 ] ]
Each era is divided into periods .
TQA:T_0085_2
3
divided
true
divide
[ "what", "is", "_", "divided", "_", "_", "_", "?" ]
[ "Each era" ]
[ [ 0, 2 ] ]
Each era is divided into periods .
TQA:T_0085_2
3
divided
true
divide
[ "what", "is", "something", "divided", "_", "into", "_", "?" ]
[ "into periods", "periods" ]
[ [ 4, 6 ], [ 5, 6 ] ]
Periods may be further divided into epochs .
TQA:T_0085_3
4
divided
true
divide
[ "how", "is", "something", "divided", "_", "_", "_", "?" ]
[ "further", "into epochs" ]
[ [ 3, 4 ], [ 5, 7 ] ]
Periods may be further divided into epochs .
TQA:T_0085_3
4
divided
true
divide
[ "what", "is", "_", "divided", "_", "_", "_", "?" ]
[ "Periods" ]
[ [ 0, 1 ] ]
Geologists may just use early or late .
TQA:T_0085_4
3
use
true
use
[ "what", "does", "someone", "use", "_", "_", "_", "?" ]
[ "early or late", "early or late ." ]
[ [ 4, 7 ], [ 4, 8 ] ]
Geologists may just use early or late .
TQA:T_0085_4
3
use
true
use
[ "who", "_", "_", "uses", "something", "_", "_", "?" ]
[ "Geologists" ]
[ [ 0, 1 ] ]
Figure 11.13 shows you what the geologic time scale looks like .
TQA:T_0085_6
9
looks
true
look
[ "how", "does", "something", "look", "_", "_", "_", "?" ]
[ "like" ]
[ [ 10, 11 ] ]
Figure 11.13 shows you what the geologic time scale looks like .
TQA:T_0085_6
9
looks
true
look
[ "what", "_", "_", "looks", "_", "_", "_", "?" ]
[ "the geologic time scale" ]
[ [ 5, 9 ] ]
The geologic time scale may include illustrations of how life on Earth has changed .
TQA:T_0086_0
5
include
true
include
[ "what", "might", "_", "include", "something", "_", "_", "?" ]
[ "The geologic time scale", "geologic time scale" ]
[ [ 0, 4 ], [ 1, 4 ] ]
The geologic time scale may include illustrations of how life on Earth has changed .
TQA:T_0086_0
5
include
true
include
[ "what", "might", "something", "include", "_", "_", "_", "?" ]
[ "illustrations", "illustrations of how life on Earth has changed" ]
[ [ 6, 7 ], [ 6, 14 ] ]
The geologic time scale may include illustrations of how life on Earth has changed .
TQA:T_0086_0
13
changed
true
change
[ "what", "has", "_", "changed", "_", "_", "_", "?" ]
[ "Earth", "life on Earth" ]
[ [ 11, 12 ], [ 9, 12 ] ]
Major events on Earth may also be shown .
TQA:T_0086_1
7
shown
true
show
[ "what", "can", "_", "shown", "_", "_", "_", "?" ]
[ "Major events" ]
[ [ 0, 2 ] ]
Major events on Earth may also be shown .
TQA:T_0086_1
7
shown
true
show
[ "where", "is", "something", "shown", "_", "_", "_", "?" ]
[ "on Earth" ]
[ [ 2, 4 ] ]
These include the formation of the major mountains or the extinction of the dinosaurs .
TQA:T_0086_2
1
include
true
include
[ "what", "was", "_", "included", "_", "_", "_", "?" ]
[ "the formation of the major mountains or the extinction of the dinosaurs", "formation of the major mountains", "the formation", "extinction of the dinosaurs" ]
[ [ 2, 14 ], [ 3, 8 ], [ 2, 4 ], [ 10, 14 ] ]
It shows how Earths environment and life forms have changed .
TQA:T_0086_4
1
shows
true
show
[ "what", "does", "something", "show", "_", "_", "_", "?" ]
[ "how Earths environment and life forms have changed" ]
[ [ 2, 10 ] ]
It shows how Earths environment and life forms have changed .
TQA:T_0086_4
1
shows
true
show
[ "what", "_", "_", "shows", "something", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
It shows how Earths environment and life forms have changed .
TQA:T_0086_4
9
changed
true
change
[ "what", "has", "_", "changed", "_", "_", "_", "?" ]
[ "Earths environment and life forms", "life forms", "Earths environment" ]
[ [ 3, 8 ], [ 6, 8 ], [ 3, 5 ] ]
We now live in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch .
TQA:T_0087_0
2
live
true
live
[ "when", "does", "someone", "live", "_", "_", "somewhere", "?" ]
[ "now", "in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch" ]
[ [ 1, 2 ], [ 3, 20 ] ]
We now live in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch .
TQA:T_0087_0
2
live
true
live
[ "where", "does", "someone", "live", "_", "_", "_", "?" ]
[ "in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch" ]
[ [ 3, 20 ] ]
We now live in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch .
TQA:T_0087_0
2
live
true
live
[ "who", "_", "_", "lives", "_", "_", "_", "?" ]
[ "We" ]
[ [ 0, 1 ] ]
During this eon , rocks contain visible fossils .
TQA:T_0087_2
5
contain
true
contain
[ "what", "_", "_", "contains", "something", "_", "_", "?" ]
[ "rocks" ]
[ [ 4, 5 ] ]
During this eon , rocks contain visible fossils .
TQA:T_0087_2
5
contain
true
contain
[ "what", "does", "something", "contain", "_", "_", "_", "?" ]
[ "visible fossils" ]
[ [ 6, 8 ] ]
During this eon , rocks contain visible fossils .
TQA:T_0087_2
5
contain
true
contain
[ "when", "does", "something", "contain", "something", "_", "_", "?" ]
[ "During this eon" ]
[ [ 0, 3 ] ]
The Cenozoic Era means new life .
TQA:T_0087_4
3
means
true
mean
[ "what", "does", "something", "mean", "_", "_", "_", "?" ]
[ "new life" ]
[ [ 4, 6 ] ]
The Cenozoic Era means new life .
TQA:T_0087_4
3
means
true
mean
[ "what", "_", "_", "means", "something", "_", "_", "?" ]
[ "The Cenozoic Era", "Cenozoic Era" ]
[ [ 0, 3 ], [ 1, 3 ] ]
It encompasses the most recent forms of life on Earth .
TQA:T_0087_5
1
encompasses
true
encompass
[ "what", "does", "something", "encompass", "_", "_", "_", "?" ]
[ "most recent forms of life on Earth", "the most recent forms of life" ]
[ [ 3, 10 ], [ 2, 8 ] ]
It encompasses the most recent forms of life on Earth .
TQA:T_0087_5
1
encompasses
true
encompass
[ "what", "_", "_", "encompasses", "something", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
It encompasses the most recent forms of life on Earth .
TQA:T_0087_5
1
encompasses
true
encompass
[ "where", "does", "something", "encompass", "something", "_", "_", "?" ]
[ "on Earth" ]
[ [ 8, 10 ] ]
The Cenozoic is sometimes called the Age of Mammals .
TQA:T_0087_6
4
called
true
call
[ "what", "is", "_", "called", "something", "_", "_", "?" ]
[ "The Cenozoic" ]
[ [ 0, 2 ] ]
The Cenozoic is sometimes called the Age of Mammals .
TQA:T_0087_6
4
called
true
call
[ "what", "is", "something", "called", "_", "_", "_", "?" ]
[ "the Age of Mammals" ]
[ [ 5, 9 ] ]
The Cenozoic is sometimes called the Age of Mammals .
TQA:T_0087_6
4
called
true
call
[ "when", "is", "something", "called", "something", "_", "_", "?" ]
[ "sometimes" ]
[ [ 3, 4 ] ]
Before the Cenozoic came the Mesozoic and Paleozoic .
TQA:T_0087_7
3
came
true
come
[ "what", "_", "_", "came", "_", "before", "something", "?" ]
[ "the Cenozoic", "the Mesozoic and Paleozoic" ]
[ [ 1, 3 ], [ 4, 8 ] ]
Before the Cenozoic came the Mesozoic and Paleozoic .
TQA:T_0087_7
3
came
true
come
[ "what", "did", "something", "come", "_", "before", "_", "?" ]
[ "the Cenozoic", "the Mesozoic and Paleozoic" ]
[ [ 1, 3 ], [ 4, 8 ] ]
This is the age of reptiles , when dinosaurs ruled the planet .
TQA:T_0087_9
9
ruled
true
rule
[ "what", "did", "something", "rule", "_", "_", "_", "?" ]
[ "the planet" ]
[ [ 10, 12 ] ]
This is the age of reptiles , when dinosaurs ruled the planet .
TQA:T_0087_9
9
ruled
true
rule
[ "what", "_", "_", "ruled", "something", "_", "_", "?" ]
[ "dinosaurs" ]
[ [ 8, 9 ] ]
Like other unstable isotopes , carbon-14 breaks down , or decays .
TQA:T_0090_0
10
decays
true
decay
[ "how", "does", "something", "decay", "_", "_", "_", "?" ]
[ "breaks down" ]
[ [ 6, 8 ] ]
Like other unstable isotopes , carbon-14 breaks down , or decays .
TQA:T_0090_0
10
decays
true
decay
[ "what", "_", "_", "decays", "_", "_", "_", "?" ]
[ "unstable isotopes", "carbon-14" ]
[ [ 2, 4 ], [ 5, 6 ] ]
For carbon-14 decay , each carbon-14 atom loses an alpha particle .
TQA:T_0090_1
7
loses
true
lose
[ "what", "is", "_", "lost", "_", "_", "_", "?" ]
[ "an alpha particle" ]
[ [ 8, 11 ] ]
For carbon-14 decay , each carbon-14 atom loses an alpha particle .
TQA:T_0090_1
7
loses
true
lose
[ "what", "_", "_", "loses", "something", "_", "_", "?" ]
[ "each", "each carbon-14 atom", "carbon-14 atom" ]
[ [ 4, 5 ], [ 4, 7 ], [ 5, 7 ] ]
For carbon-14 decay , each carbon-14 atom loses an alpha particle .
TQA:T_0090_1
7
loses
true
lose
[ "why", "does", "something", "lose", "something", "_", "_", "?" ]
[ "carbon-14 decay" ]
[ [ 1, 3 ] ]
In 5730 years , half of it decays .
TQA:T_0090_10
7
decays
true
decay
[ "what", "_", "_", "decays", "_", "_", "_", "?" ]
[ "half of it" ]
[ [ 4, 7 ] ]
In 5730 years , half of it decays .
TQA:T_0090_10
7
decays
true
decay
[ "when", "does", "something", "decay", "_", "_", "_", "?" ]
[ "In 5730 years" ]
[ [ 0, 3 ] ]
This leaves 50 grams of carbon-14 .
TQA:T_0090_11
1
leaves
true
leave
[ "what", "is", "_", "left", "_", "_", "_", "?" ]
[ "50 grams of carbon-14" ]
[ [ 2, 6 ] ]
This leaves 50 grams of carbon-14 .
TQA:T_0090_11
1
leaves
true
leave
[ "what", "_", "_", "leaves", "_", "_", "_", "?" ]
[ "This" ]
[ [ 0, 1 ] ]
Over the next 5730 years , half of the remaining amount will decay .
TQA:T_0090_12
9
remaining
true
remain
[ "what", "_", "_", "remains", "_", "_", "_", "?" ]
[ "amount" ]
[ [ 10, 11 ] ]
It changes to a stable atom of nitrogen-14 .
TQA:T_0090_2
1
changes
true
change
[ "what", "_", "_", "changes", "_", "to", "something", "?" ]
[ "It", "stable atom" ]
[ [ 0, 1 ], [ 4, 6 ] ]
It changes to a stable atom of nitrogen-14 .
TQA:T_0090_2
1
changes
true
change
[ "what", "does", "something", "change", "_", "to", "_", "?" ]
[ "a stable atom of nitrogen-14", "nitrogen-14", "to a stable atom of nitrogen-14" ]
[ [ 3, 8 ], [ 7, 8 ], [ 2, 8 ] ]
This is illustrated in Figure 11.17 .
TQA:T_0090_3
2
illustrated
true
illustrate
[ "what", "is", "_", "illustrated", "_", "_", "somewhere", "?" ]
[ "This" ]
[ [ 0, 1 ] ]