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A key bed can be used like an index fossil since a key bed is a distinctive layer of rock that can be recognized across a large area .
TQA:T_1040_1
5
used
true
use
[ "what", "can", "_", "used", "_", "_", "_", "?" ]
[ "A key bed" ]
[ [ 0, 3 ] ]
A key bed can be used like an index fossil since a key bed is a distinctive layer of rock that can be recognized across a large area .
TQA:T_1040_1
5
used
true
use
[ "where", "can", "something", "used", "_", "_", "_", "?" ]
[ "across a large area" ]
[ [ 24, 28 ] ]
A key bed can be used like an index fossil since a key bed is a distinctive layer of rock that can be recognized across a large area .
TQA:T_1040_1
5
used
true
use
[ "why", "can", "something", "used", "_", "_", "_", "?" ]
[ "since a key bed is a distinctive layer of rock" ]
[ [ 10, 20 ] ]
A key bed can be used like an index fossil since a key bed is a distinctive layer of rock that can be recognized across a large area .
TQA:T_1040_1
23
recognized
true
recognize
[ "what", "is", "_", "recognized", "_", "_", "_", "?" ]
[ "A key bed", "a distinctive layer of rock" ]
[ [ 0, 3 ], [ 15, 20 ] ]
A key bed can be used like an index fossil since a key bed is a distinctive layer of rock that can be recognized across a large area .
TQA:T_1040_1
23
recognized
true
recognize
[ "where", "is", "something", "recognized", "_", "_", "_", "?" ]
[ "across a large area" ]
[ [ 24, 28 ] ]
One famous key bed is the clay layer at the boundary between the Cretaceous Period and the Tertiary Period , the time that the dinosaurs went extinct -LRB- Figure in asteroids .
TQA:T_1040_3
25
went
true
go
[ "what", "did", "something", "go", "_", "_", "_", "?" ]
[ "extinct" ]
[ [ 26, 27 ] ]
One famous key bed is the clay layer at the boundary between the Cretaceous Period and the Tertiary Period , the time that the dinosaurs went extinct -LRB- Figure in asteroids .
TQA:T_1040_3
25
went
true
go
[ "what", "_", "_", "went", "something", "_", "_", "?" ]
[ "dinosaurs", "the dinosaurs" ]
[ [ 24, 25 ], [ 23, 25 ] ]
One famous key bed is the clay layer at the boundary between the Cretaceous Period and the Tertiary Period , the time that the dinosaurs went extinct -LRB- Figure in asteroids .
TQA:T_1040_3
25
went
true
go
[ "when", "did", "something", "go", "_", "_", "_", "?" ]
[ "Cretaceous Period and the Tertiary Period", "between the Cretaceous Period and the Tertiary Period" ]
[ [ 13, 19 ], [ 11, 19 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
11
proposed
true
propose
[ "what", "did", "someone", "propose", "_", "_", "_", "?" ]
[ "that a huge asteroid struck Earth 66 million years ago and caused the mass extinction", "huge asteroid struck Earth 66 million years ago and caused the mass extinction" ]
[ [ 12, 27 ], [ 14, 27 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
11
proposed
true
propose
[ "when", "did", "someone", "propose", "something", "_", "_", "?" ]
[ "In 1980", "1980" ]
[ [ 0, 2 ], [ 1, 2 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
11
proposed
true
propose
[ "who", "_", "_", "proposed", "something", "_", "_", "?" ]
[ "Luis and Walter Alvarez", "the father-son team of Luis and Walter Alvarez" ]
[ [ 7, 11 ], [ 3, 11 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
16
struck
true
strike
[ "what", "did", "something", "strike", "_", "_", "_", "?" ]
[ "Earth" ]
[ [ 17, 18 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
16
struck
true
strike
[ "what", "_", "_", "struck", "something", "_", "_", "?" ]
[ "asteroid", "a huge asteroid" ]
[ [ 15, 16 ], [ 13, 16 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
16
struck
true
strike
[ "when", "did", "something", "strike", "something", "_", "_", "?" ]
[ "66 million years ago" ]
[ [ 18, 22 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
23
caused
true
cause
[ "what", "is", "_", "caused", "_", "_", "_", "?" ]
[ "the mass extinction", "mass extinction" ]
[ [ 24, 27 ], [ 25, 27 ] ]
In 1980 , the father-son team of Luis and Walter Alvarez proposed that a huge asteroid struck Earth 66 million years ago and caused the mass extinction .
TQA:T_1040_4
23
caused
true
cause
[ "when", "is", "something", "caused", "_", "_", "_", "?" ]
[ "years ago", "In 1980", "66 million years ago", "66 million" ]
[ [ 20, 22 ], [ 0, 2 ], [ 18, 22 ], [ 18, 20 ] ]
Click image to the left or use the URL below .
TQA:T_1040_5
0
Click
true
click
[ "what", "is", "_", "clicked", "_", "_", "_", "?" ]
[ "image" ]
[ [ 1, 2 ] ]
Click image to the left or use the URL below .
TQA:T_1040_5
0
Click
true
click
[ "where", "is", "something", "clicked", "_", "_", "_", "?" ]
[ "to the left" ]
[ [ 2, 5 ] ]
Click image to the left or use the URL below .
TQA:T_1040_5
6
use
true
use
[ "what", "should", "someone", "use", "_", "_", "_", "?" ]
[ "the URL", "the URL below" ]
[ [ 7, 9 ], [ 7, 10 ] ]
URL : Click image to the left or use the URL below .
TQA:T_1040_6
2
Click
true
click
[ "what", "should", "_", "clicked", "_", "_", "_", "?" ]
[ "image to the left", "image" ]
[ [ 3, 7 ], [ 3, 4 ] ]
URL : Click image to the left or use the URL below .
TQA:T_1040_6
8
use
true
use
[ "what", "can", "_", "used", "_", "_", "_", "?" ]
[ "the URL", "the URL below", "URL" ]
[ [ 9, 11 ], [ 9, 12 ], [ 10, 11 ] ]
URL : Click image to the left or use the URL below .
TQA:T_1040_6
8
use
true
use
[ "where", "can", "something", "used", "_", "_", "_", "?" ]
[ "below" ]
[ [ 11, 12 ] ]
Thermo means heat and haline refers to salinity .
TQA:T_1044_1
1
means
true
mean
[ "what", "does", "something", "mean", "_", "_", "_", "?" ]
[ "heat", "heat and haline refers to salinity" ]
[ [ 2, 3 ], [ 2, 8 ] ]
Thermo means heat and haline refers to salinity .
TQA:T_1044_1
1
means
true
mean
[ "what", "_", "_", "means", "something", "_", "_", "?" ]
[ "Thermo" ]
[ [ 0, 1 ] ]
Thermo means heat and haline refers to salinity .
TQA:T_1044_1
5
refers
true
refer
[ "what", "does", "something", "refer", "_", "to", "_", "?" ]
[ "salinity" ]
[ [ 7, 8 ] ]
Thermo means heat and haline refers to salinity .
TQA:T_1044_1
5
refers
true
refer
[ "what", "_", "_", "refers", "_", "to", "something", "?" ]
[ "haline" ]
[ [ 4, 5 ] ]
Dif - ferences in temperature and in salinity change the density of seawater .
TQA:T_1044_2
8
change
true
change
[ "what", "_", "_", "changes", "something", "_", "_", "?" ]
[ "Dif - ferences in temperature and in salinity" ]
[ [ 0, 8 ] ]
Dif - ferences in temperature and in salinity change the density of seawater .
TQA:T_1044_2
8
change
true
change
[ "what", "does", "something", "change", "_", "_", "_", "?" ]
[ "the density of seawater" ]
[ [ 9, 13 ] ]
Lower temperature and higher salinity yield the densest water .
TQA:T_1044_5
5
yield
true
yield
[ "what", "is", "_", "yielded", "_", "_", "_", "?" ]
[ "densest water", "the densest water" ]
[ [ 7, 9 ], [ 6, 9 ] ]
Lower temperature and higher salinity yield the densest water .
TQA:T_1044_5
5
yield
true
yield
[ "when", "is", "something", "yielded", "_", "_", "_", "?" ]
[ "Lower temperature and higher salinity" ]
[ [ 0, 5 ] ]
When a volume of water is cooled , the molecules move less vigorously , so same number of molecules takes up less space and the water is denser .
TQA:T_1044_6
6
cooled
true
cool
[ "what", "is", "_", "cooled", "_", "_", "_", "?" ]
[ "a volume of water" ]
[ [ 1, 5 ] ]
When a volume of water is cooled , the molecules move less vigorously , so same number of molecules takes up less space and the water is denser .
TQA:T_1044_6
10
move
true
move
[ "how", "does", "something", "move", "_", "_", "_", "?" ]
[ "less vigorously" ]
[ [ 11, 13 ] ]
When a volume of water is cooled , the molecules move less vigorously , so same number of molecules takes up less space and the water is denser .
TQA:T_1044_6
10
move
true
move
[ "what", "_", "_", "moves", "_", "_", "_", "?" ]
[ "the molecules" ]
[ [ 8, 10 ] ]
When a volume of water is cooled , the molecules move less vigorously , so same number of molecules takes up less space and the water is denser .
TQA:T_1044_6
10
move
true
move
[ "when", "does", "something", "move", "_", "_", "_", "?" ]
[ "When a volume of water is cooled" ]
[ [ 0, 7 ] ]
When a volume of water is cooled , the molecules move less vigorously , so same number of molecules takes up less space and the water is denser .
TQA:T_1044_6
19
takes
true
take
[ "what", "does", "something", "take", "_", "_", "_", "?" ]
[ "less space", "space" ]
[ [ 21, 23 ], [ 22, 23 ] ]
When a volume of water is cooled , the molecules move less vigorously , so same number of molecules takes up less space and the water is denser .
TQA:T_1044_6
19
takes
true
take
[ "what", "_", "_", "takes", "something", "_", "_", "?" ]
[ "same number of molecules", "molecules" ]
[ [ 15, 19 ], [ 18, 19 ] ]
When a volume of water is cooled , the molecules move less vigorously , so same number of molecules takes up less space and the water is denser .
TQA:T_1044_6
19
takes
true
take
[ "when", "does", "something", "take", "something", "_", "_", "?" ]
[ "When a volume of water is cooled" ]
[ [ 0, 7 ] ]
If salt is added to a volume of water , there are more molecules in the same volume , so the water is denser .
TQA:T_1044_7
3
added
true
add
[ "what", "is", "_", "added", "_", "_", "_", "?" ]
[ "salt" ]
[ [ 1, 2 ] ]
If salt is added to a volume of water , there are more molecules in the same volume , so the water is denser .
TQA:T_1044_7
3
added
true
add
[ "what", "is", "something", "added", "_", "to", "_", "?" ]
[ "a volume of water", "water" ]
[ [ 5, 9 ], [ 8, 9 ] ]
Changes in temperature and salinity of seawater take place at the surface .
TQA:T_1045_0
7
take
true
take
[ "what", "does", "something", "take", "_", "_", "somewhere", "?" ]
[ "place" ]
[ [ 8, 9 ] ]
Changes in temperature and salinity of seawater take place at the surface .
TQA:T_1045_0
7
take
true
take
[ "what", "_", "_", "takes", "something", "_", "somewhere", "?" ]
[ "seawater", "Changes in temperature" ]
[ [ 6, 7 ], [ 0, 3 ] ]
Changes in temperature and salinity of seawater take place at the surface .
TQA:T_1045_0
7
take
true
take
[ "where", "does", "something", "take", "_", "_", "_", "?" ]
[ "surface", "at the surface" ]
[ [ 11, 12 ], [ 9, 12 ] ]
Water becomes dense near the poles .
TQA:T_1045_1
1
becomes
true
become
[ "what", "_", "_", "becomes", "something", "_", "_", "?" ]
[ "Water" ]
[ [ 0, 1 ] ]
Water becomes dense near the poles .
TQA:T_1045_1
1
becomes
true
become
[ "what", "does", "something", "become", "_", "_", "_", "?" ]
[ "dense" ]
[ [ 2, 3 ] ]
Water becomes dense near the poles .
TQA:T_1045_1
1
becomes
true
become
[ "where", "does", "something", "become", "something", "_", "_", "?" ]
[ "near the poles" ]
[ [ 3, 6 ] ]
This deep water mixes with less dense water as it flows .
TQA:T_1045_10
3
mixes
true
mix
[ "what", "does", "something", "mix", "_", "with", "_", "?" ]
[ "less dense water" ]
[ [ 5, 8 ] ]
This deep water mixes with less dense water as it flows .
TQA:T_1045_10
3
mixes
true
mix
[ "what", "_", "_", "mixes", "_", "with", "something", "?" ]
[ "This deep water", "deep water" ]
[ [ 0, 3 ], [ 1, 3 ] ]
This deep water mixes with less dense water as it flows .
TQA:T_1045_10
3
mixes
true
mix
[ "when", "does", "something", "mix", "_", "with", "something", "?" ]
[ "as it flows" ]
[ [ 8, 11 ] ]
This deep water mixes with less dense water as it flows .
TQA:T_1045_10
10
flows
true
flow
[ "what", "_", "_", "flows", "_", "_", "_", "?" ]
[ "deep water", "water" ]
[ [ 1, 3 ], [ 7, 8 ] ]
Surface currents move water into the space vacated at the surface where the dense water sank -LRB- Figure 1.1 -RRB- .
TQA:T_1045_11
2
move
true
move
[ "what", "does", "something", "move", "_", "_", "_", "?" ]
[ "water" ]
[ [ 3, 4 ] ]
Surface currents move water into the space vacated at the surface where the dense water sank -LRB- Figure 1.1 -RRB- .
TQA:T_1045_11
2
move
true
move
[ "what", "_", "_", "moves", "_", "_", "_", "?" ]
[ "Surface currents" ]
[ [ 0, 2 ] ]
Surface currents move water into the space vacated at the surface where the dense water sank -LRB- Figure 1.1 -RRB- .
TQA:T_1045_11
2
move
true
move
[ "where", "does", "something", "move", "something", "_", "_", "?" ]
[ "into the space vacated at the surface", "into the space vacated at the surface where the dense water sank" ]
[ [ 4, 11 ], [ 4, 16 ] ]
Surface currents move water into the space vacated at the surface where the dense water sank -LRB- Figure 1.1 -RRB- .
TQA:T_1045_11
7
vacated
true
vacate
[ "what", "is", "_", "vacated", "_", "_", "_", "?" ]
[ "space" ]
[ [ 6, 7 ] ]
Surface currents move water into the space vacated at the surface where the dense water sank -LRB- Figure 1.1 -RRB- .
TQA:T_1045_11
7
vacated
true
vacate
[ "where", "is", "something", "vacated", "_", "_", "_", "?" ]
[ "at the surface" ]
[ [ 8, 11 ] ]
Surface currents move water into the space vacated at the surface where the dense water sank -LRB- Figure 1.1 -RRB- .
TQA:T_1045_11
15
sank
true
sink
[ "what", "_", "_", "sank", "_", "_", "_", "?" ]
[ "the dense water" ]
[ [ 12, 15 ] ]
Surface currents move water into the space vacated at the surface where the dense water sank -LRB- Figure 1.1 -RRB- .
TQA:T_1045_11
15
sank
true
sink
[ "where", "did", "something", "sink", "_", "_", "_", "?" ]
[ "the surface", "into the space vacated at the surface" ]
[ [ 9, 11 ], [ 4, 11 ] ]
Water also sinks into the deep ocean off of Antarctica .
TQA:T_1045_12
2
sinks
true
sink
[ "what", "_", "_", "sinks", "_", "_", "_", "?" ]
[ "Water" ]
[ [ 0, 1 ] ]
Water also sinks into the deep ocean off of Antarctica .
TQA:T_1045_12
2
sinks
true
sink
[ "where", "does", "something", "sink", "_", "_", "_", "?" ]
[ "the deep ocean off of Antarctica", "into the deep ocean off of Antarctica" ]
[ [ 4, 10 ], [ 3, 10 ] ]
Cold water -LRB- blue lines -RRB- sinks in the North Atlantic , flows along the bottom of the ocean and upwells in the Pacific or Indian .
TQA:T_1045_13
6
sinks
true
sink
[ "what", "_", "_", "sinks", "_", "_", "_", "?" ]
[ "Cold water" ]
[ [ 0, 2 ] ]
Cold water -LRB- blue lines -RRB- sinks in the North Atlantic , flows along the bottom of the ocean and upwells in the Pacific or Indian .
TQA:T_1045_13
6
sinks
true
sink
[ "where", "does", "something", "sink", "_", "_", "_", "?" ]
[ "in the North Atlantic" ]
[ [ 7, 11 ] ]
Cold water -LRB- blue lines -RRB- sinks in the North Atlantic , flows along the bottom of the ocean and upwells in the Pacific or Indian .
TQA:T_1045_13
12
flows
true
flow
[ "what", "_", "_", "flows", "_", "_", "somewhere", "?" ]
[ "Cold water", "Cold water -LRB- blue lines" ]
[ [ 0, 2 ], [ 0, 5 ] ]
Cold water -LRB- blue lines -RRB- sinks in the North Atlantic , flows along the bottom of the ocean and upwells in the Pacific or Indian .
TQA:T_1045_13
12
flows
true
flow
[ "where", "does", "something", "flow", "_", "_", "_", "?" ]
[ "along the bottom of the ocean", "along the bottom of the ocean and upwells in the Pacific or Indian" ]
[ [ 13, 19 ], [ 13, 26 ] ]
The water then travels in surface currents -LRB- red lines -RRB- back to the North Atlantic .
TQA:T_1045_14
3
travels
true
travel
[ "what", "_", "_", "travels", "_", "_", "_", "?" ]
[ "The water", "water" ]
[ [ 0, 2 ], [ 1, 2 ] ]
The water then travels in surface currents -LRB- red lines -RRB- back to the North Atlantic .
TQA:T_1045_14
3
travels
true
travel
[ "where", "does", "something", "travel", "_", "_", "_", "?" ]
[ "in surface currents -LRB- red lines -RRB- back to the North Atlantic", "in surface currents" ]
[ [ 4, 16 ], [ 4, 7 ] ]
Deep water also forms off of Antarctica .
TQA:T_1045_15
3
forms
true
form
[ "what", "_", "_", "forms", "_", "_", "somewhere", "?" ]
[ "Deep water" ]
[ [ 0, 2 ] ]
Deep water also forms off of Antarctica .
TQA:T_1045_15
3
forms
true
form
[ "where", "does", "something", "form", "_", "_", "_", "?" ]
[ "Antarctica", "off of Antarctica" ]
[ [ 6, 7 ], [ 4, 7 ] ]
Cold polar air cools the water and lowers its temperature , increasing its salinity .
TQA:T_1045_2
3
cools
true
cool
[ "what", "_", "_", "cools", "something", "_", "_", "?" ]
[ "Cold polar air" ]
[ [ 0, 3 ] ]
Cold polar air cools the water and lowers its temperature , increasing its salinity .
TQA:T_1045_2
3
cools
true
cool
[ "what", "does", "something", "cool", "_", "_", "_", "?" ]
[ "the water" ]
[ [ 4, 6 ] ]
Cold polar air cools the water and lowers its temperature , increasing its salinity .
TQA:T_1045_2
7
lowers
true
lower
[ "how", "does", "something", "lower", "something", "_", "_", "?" ]
[ "cools", "cools the water" ]
[ [ 3, 4 ], [ 3, 6 ] ]
Cold polar air cools the water and lowers its temperature , increasing its salinity .
TQA:T_1045_2
7
lowers
true
lower
[ "what", "does", "something", "lower", "_", "_", "_", "?" ]
[ "its temperature", "water" ]
[ [ 8, 10 ], [ 5, 6 ] ]
Cold polar air cools the water and lowers its temperature , increasing its salinity .
TQA:T_1045_2
7
lowers
true
lower
[ "what", "_", "_", "lowers", "something", "_", "_", "?" ]
[ "Cold polar air" ]
[ [ 0, 3 ] ]
Cold polar air cools the water and lowers its temperature , increasing its salinity .
TQA:T_1045_2
11
increasing
true
increase
[ "how", "does", "something", "increase", "_", "_", "_", "?" ]
[ "salinity", "Cold polar air cools the water and lowers its temperature" ]
[ [ 13, 14 ], [ 0, 10 ] ]
Cold polar air cools the water and lowers its temperature , increasing its salinity .
TQA:T_1045_2
11
increasing
true
increase
[ "what", "_", "_", "increases", "_", "_", "_", "?" ]
[ "Cold polar", "its salinity" ]
[ [ 0, 2 ], [ 12, 14 ] ]
Fresh water freezes out of seawater to become sea ice , which also increases the salinity of the remaining water .
TQA:T_1045_3
2
freezes
true
freeze
[ "what", "does", "something", "freeze", "_", "out of", "_", "?" ]
[ "of seawater", "seawater" ]
[ [ 4, 6 ], [ 5, 6 ] ]
Fresh water freezes out of seawater to become sea ice , which also increases the salinity of the remaining water .
TQA:T_1045_3
2
freezes
true
freeze
[ "what", "_", "_", "freezes", "_", "out of", "something", "?" ]
[ "Fresh water" ]
[ [ 0, 2 ] ]
Fresh water freezes out of seawater to become sea ice , which also increases the salinity of the remaining water .
TQA:T_1045_3
7
become
true
become
[ "what", "_", "_", "became", "something", "_", "_", "?" ]
[ "Fresh water" ]
[ [ 0, 2 ] ]
Fresh water freezes out of seawater to become sea ice , which also increases the salinity of the remaining water .
TQA:T_1045_3
7
become
true
become
[ "what", "does", "something", "become", "_", "_", "_", "?" ]
[ "sea ice" ]
[ [ 8, 10 ] ]
Fresh water freezes out of seawater to become sea ice , which also increases the salinity of the remaining water .
TQA:T_1045_3
7
become
true
become
[ "where", "does", "something", "become", "something", "out of", "_", "?" ]
[ "seawater", "out of seawater" ]
[ [ 5, 6 ], [ 3, 6 ] ]
Fresh water freezes out of seawater to become sea ice , which also increases the salinity of the remaining water .
TQA:T_1045_3
13
increases
true
increase
[ "what", "_", "_", "increases", "_", "_", "_", "?" ]
[ "the salinity of the remaining water", "the salinity" ]
[ [ 14, 20 ], [ 14, 16 ] ]
Fresh water freezes out of seawater to become sea ice , which also increases the salinity of the remaining water .
TQA:T_1045_3
18
remaining
true
remain
[ "what", "_", "_", "remains", "_", "_", "_", "?" ]
[ "water" ]
[ [ 19, 20 ] ]
This very cold , very saline water is very dense and sinks .
TQA:T_1045_4
11
sinks
true
sink
[ "what", "_", "_", "sinks", "_", "_", "_", "?" ]
[ "water", "saline water" ]
[ [ 6, 7 ], [ 5, 7 ] ]
This very cold , very saline water is very dense and sinks .
TQA:T_1045_4
11
sinks
true
sink
[ "why", "does", "something", "sink", "_", "_", "_", "?" ]
[ "is very dense", "very dense" ]
[ [ 7, 10 ], [ 8, 10 ] ]
This sinking is called downwelling .
TQA:T_1045_5
3
called
true
call
[ "what", "is", "_", "called", "something", "_", "_", "?" ]
[ "This sinking", "sinking" ]
[ [ 0, 2 ], [ 1, 2 ] ]
This sinking is called downwelling .
TQA:T_1045_5
3
called
true
call
[ "what", "is", "something", "called", "_", "_", "_", "?" ]
[ "downwelling" ]
[ [ 4, 5 ] ]
This video lecture discusses the vertical distribution of life in the oceans .
TQA:T_1045_6
3
discusses
true
discuss
[ "what", "_", "_", "discusses", "something", "_", "_", "?" ]
[ "This video lecture", "video lecture" ]
[ [ 0, 3 ], [ 1, 3 ] ]
This video lecture discusses the vertical distribution of life in the oceans .
TQA:T_1045_6
3
discusses
true
discuss
[ "what", "does", "something", "discuss", "_", "_", "_", "?" ]
[ "the vertical distribution of life in the oceans" ]
[ [ 4, 12 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
2
creates
true
create
[ "what", "_", "_", "creates", "something", "_", "_", "?" ]
[ "Seawater density" ]
[ [ 0, 2 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
2
creates
true
create
[ "what", "does", "something", "create", "_", "_", "_", "?" ]
[ "currents" ]
[ [ 3, 4 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
6
provide
true
provide
[ "what", "does", "something", "provide", "_", "_", "_", "?" ]
[ "different habitats for different creatures" ]
[ [ 7, 12 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
6
provide
true
provide
[ "what", "_", "_", "provides", "something", "_", "_", "?" ]
[ "currents" ]
[ [ 3, 4 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
13
Click
true
click
[ "what", "is", "_", "clicked", "_", "_", "_", "?" ]
[ "image" ]
[ [ 14, 15 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
13
Click
true
click
[ "where", "is", "something", "clicked", "_", "_", "_", "?" ]
[ "to the left" ]
[ [ 15, 18 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
19
use
true
use
[ "what", "does", "someone", "use", "_", "_", "_", "?" ]
[ "the URL", "the URL below" ]
[ [ 20, 22 ], [ 20, 23 ] ]
Seawater density creates currents , which provide different habitats for different creatures : Click image to the left or use the URL below .
TQA:T_1045_7
19
use
true
use
[ "where", "does", "someone", "use", "something", "_", "_", "?" ]
[ "below" ]
[ [ 22, 23 ] ]
URL : Two things then happen .
TQA:T_1045_8
5
happen
true
happen
[ "what", "_", "_", "happens", "_", "_", "_", "?" ]
[ "Two things" ]
[ [ 2, 4 ] ]
URL : Two things then happen .
TQA:T_1045_8
5
happen
true
happen
[ "where", "does", "something", "happen", "_", "_", "_", "?" ]
[ "URL" ]
[ [ 0, 1 ] ]
The dense water pushes deeper water out of its way and that water moves along the bottom of the ocean .
TQA:T_1045_9
3
pushes
true
push
[ "what", "does", "something", "push", "_", "_", "_", "?" ]
[ "deeper water out of its way and", "deeper water" ]
[ [ 4, 11 ], [ 4, 6 ] ]
The dense water pushes deeper water out of its way and that water moves along the bottom of the ocean .
TQA:T_1045_9
3
pushes
true
push
[ "what", "_", "_", "pushes", "something", "_", "_", "?" ]
[ "The dense water", "dense water" ]
[ [ 0, 3 ], [ 1, 3 ] ]
Since unlimited amounts of water can not sink to the bottom of the ocean , water must rise from the deep ocean to the surface somewhere .
TQA:T_1046_0
7
sink
true
sink
[ "what", "can't", "_", "sink", "_", "_", "_", "?" ]
[ "water", "unlimited amounts of water" ]
[ [ 4, 5 ], [ 1, 5 ] ]
Since unlimited amounts of water can not sink to the bottom of the ocean , water must rise from the deep ocean to the surface somewhere .
TQA:T_1046_0
7
sink
true
sink
[ "where", "can't", "something", "sink", "_", "_", "_", "?" ]
[ "to the bottom of the ocean" ]
[ [ 8, 14 ] ]