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Most wells use motorized pumps to bring water to the surface , but some still require people to use a bucket to draw water up -LRB- Figure 1.4 -RRB- .
TQA:T_1245_7
2
use
true
use
[ "why", "does", "something", "use", "something", "_", "_", "?" ]
[ "to bring water to the surface" ]
[ [ 5, 11 ] ]
Most wells use motorized pumps to bring water to the surface , but some still require people to use a bucket to draw water up -LRB- Figure 1.4 -RRB- .
TQA:T_1245_7
18
use
true
use
[ "what", "does", "someone", "use", "something", "_", "to do", "?" ]
[ "to draw water up", "draw water up" ]
[ [ 21, 25 ], [ 22, 25 ] ]
Most wells use motorized pumps to bring water to the surface , but some still require people to use a bucket to draw water up -LRB- Figure 1.4 -RRB- .
TQA:T_1245_7
18
use
true
use
[ "what", "does", "someone", "use", "_", "_", "to do something", "?" ]
[ "a bucket", "bucket" ]
[ [ 19, 21 ], [ 20, 21 ] ]
Most wells use motorized pumps to bring water to the surface , but some still require people to use a bucket to draw water up -LRB- Figure 1.4 -RRB- .
TQA:T_1245_7
18
use
true
use
[ "who", "_", "_", "uses", "something", "_", "to do something", "?" ]
[ "people" ]
[ [ 16, 17 ] ]
An old-fashioned well that uses a bucket drawn up by hand .
TQA:T_1245_8
4
uses
true
use
[ "how", "is", "something", "used", "_", "_", "_", "?" ]
[ "drawn up by hand" ]
[ [ 7, 11 ] ]
An old-fashioned well that uses a bucket drawn up by hand .
TQA:T_1245_8
4
uses
true
use
[ "what", "is", "_", "used", "_", "by", "something", "?" ]
[ "a bucket" ]
[ [ 5, 7 ] ]
An old-fashioned well that uses a bucket drawn up by hand .
TQA:T_1245_8
4
uses
true
use
[ "what", "_", "_", "uses", "something", "_", "_", "?" ]
[ "An old-fashioned well" ]
[ [ 0, 3 ] ]
An old-fashioned well that uses a bucket drawn up by hand .
TQA:T_1245_8
7
drawn
true
draw
[ "how", "was", "something", "drawn", "_", "up", "_", "?" ]
[ "by hand", "hand" ]
[ [ 9, 11 ], [ 10, 11 ] ]
An old-fashioned well that uses a bucket drawn up by hand .
TQA:T_1245_8
7
drawn
true
draw
[ "what", "was", "_", "drawn", "_", "up", "_", "?" ]
[ "bucket", "a bucket" ]
[ [ 6, 7 ], [ 5, 7 ] ]
Some aquifers are overused ; people pump out more water than is replaced .
TQA:T_1246_0
3
overused
true
overuse
[ "how", "is", "something", "overused", "_", "_", "_", "?" ]
[ "people pump out more water than is replaced" ]
[ [ 5, 13 ] ]
Some aquifers are overused ; people pump out more water than is replaced .
TQA:T_1246_0
3
overused
true
overuse
[ "what", "is", "_", "overused", "_", "_", "_", "?" ]
[ "Some aquifers" ]
[ [ 0, 2 ] ]
Some aquifers are overused ; people pump out more water than is replaced .
TQA:T_1246_0
6
pump
true
pump
[ "what", "is", "_", "pumping", "something", "_", "_", "?" ]
[ "aquifers", "people" ]
[ [ 1, 2 ], [ 5, 6 ] ]
Some aquifers are overused ; people pump out more water than is replaced .
TQA:T_1246_0
6
pump
true
pump
[ "what", "is", "something", "pumping", "_", "_", "_", "?" ]
[ "water", "more water than is replaced" ]
[ [ 9, 10 ], [ 8, 13 ] ]
Some aquifers are overused ; people pump out more water than is replaced .
TQA:T_1246_0
12
replaced
true
replace
[ "what", "is", "_", "replaced", "_", "_", "_", "?" ]
[ "water" ]
[ [ 9, 10 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
4
pumped
true
pump
[ "what", "is", "_", "pumped", "_", "_", "_", "?" ]
[ "water" ]
[ [ 2, 3 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
4
pumped
true
pump
[ "where", "is", "something", "pumped", "_", "_", "_", "?" ]
[ "out" ]
[ [ 5, 6 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
11
falls
true
fall
[ "how", "does", "something", "fall", "_", "_", "_", "?" ]
[ "slowly" ]
[ [ 10, 11 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
11
falls
true
fall
[ "what", "_", "_", "falls", "_", "_", "_", "?" ]
[ "the water table" ]
[ [ 7, 10 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
13
requiring
true
require
[ "what", "is", "_", "required", "_", "_", "_", "?" ]
[ "wells to be dug deeper" ]
[ [ 14, 19 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
13
requiring
true
require
[ "why", "is", "something", "required", "_", "_", "_", "?" ]
[ "the water table slowly falls", "water table slowly falls" ]
[ [ 7, 12 ], [ 8, 12 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
21
takes
true
take
[ "what", "does", "something", "take", "_", "_", "_", "?" ]
[ "more money and energy" ]
[ [ 22, 26 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
21
takes
true
take
[ "why", "does", "something", "take", "something", "_", "_", "?" ]
[ "requiring wells to be dug deeper", "As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper" ]
[ [ 13, 19 ], [ 0, 19 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
17
dug
true
dig
[ "what", "is", "_", "dug", "_", "_", "_", "?" ]
[ "wells" ]
[ [ 14, 15 ] ]
As the water is pumped out , the water table slowly falls , requiring wells to be dug deeper , which takes more money and energy .
TQA:T_1246_1
17
dug
true
dig
[ "why", "is", "something", "dug", "_", "_", "_", "?" ]
[ "As the water is pumped out , the water table slowly falls", "the water table slowly falls", "water table slowly falls" ]
[ [ 0, 12 ], [ 7, 12 ], [ 8, 12 ] ]
Wells may go completely dry if they are not deep enough to reach into the lowered water table .
TQA:T_1246_2
2
go
true
go
[ "what", "will", "someone", "go", "_", "_", "_", "?" ]
[ "completely dry" ]
[ [ 3, 5 ] ]
Wells may go completely dry if they are not deep enough to reach into the lowered water table .
TQA:T_1246_2
2
go
true
go
[ "who", "will", "_", "go", "something", "_", "_", "?" ]
[ "Wells" ]
[ [ 0, 1 ] ]
Wells may go completely dry if they are not deep enough to reach into the lowered water table .
TQA:T_1246_2
12
reach
true
reach
[ "what", "might", "_", "reach", "_", "into", "something", "?" ]
[ "Wells", "they" ]
[ [ 0, 1 ], [ 6, 7 ] ]
Wells may go completely dry if they are not deep enough to reach into the lowered water table .
TQA:T_1246_2
12
reach
true
reach
[ "what", "might", "something", "reach", "_", "into", "_", "?" ]
[ "the lowered water table" ]
[ [ 14, 18 ] ]
Wells may go completely dry if they are not deep enough to reach into the lowered water table .
TQA:T_1246_2
12
reach
true
reach
[ "why", "might", "something", "reach", "_", "into", "something", "?" ]
[ "if they are not deep enough", "not deep enough" ]
[ [ 5, 11 ], [ 8, 11 ] ]
Other problems may stem from groundwater overuse .
TQA:T_1246_3
3
stem
true
stem
[ "what", "might", "something", "stem", "_", "from", "_", "?" ]
[ "from groundwater overuse", "groundwater overuse" ]
[ [ 4, 7 ], [ 5, 7 ] ]
Other problems may stem from groundwater overuse .
TQA:T_1246_3
3
stem
true
stem
[ "what", "might", "_", "stem", "_", "from", "something", "?" ]
[ "Other problems", "problems" ]
[ [ 0, 2 ], [ 1, 2 ] ]
The Ogallala Aquifer supplies about one-third of the irrigation water in the United States .
TQA:T_1247_0
3
supplies
true
supply
[ "what", "does", "something", "supply", "_", "_", "_", "?" ]
[ "about one-third of the irrigation water" ]
[ [ 4, 10 ] ]
The Ogallala Aquifer supplies about one-third of the irrigation water in the United States .
TQA:T_1247_0
3
supplies
true
supply
[ "what", "_", "_", "supplies", "something", "_", "_", "?" ]
[ "The Ogallala Aquifer", "Ogallala Aquifer" ]
[ [ 0, 3 ], [ 1, 3 ] ]
The Ogallala Aquifer supplies about one-third of the irrigation water in the United States .
TQA:T_1247_0
3
supplies
true
supply
[ "where", "does", "something", "supply", "something", "_", "_", "?" ]
[ "the United States", "United States", "in the United States" ]
[ [ 11, 14 ], [ 12, 14 ], [ 10, 14 ] ]
The Ogallala Aquifer is widely used by people for municipal and agricultural needs .
TQA:T_1247_1
5
used
true
use
[ "what", "is", "_", "used", "_", "_", "_", "?" ]
[ "The Ogallala Aquifer" ]
[ [ 0, 3 ] ]
The Ogallala Aquifer is widely used by people for municipal and agricultural needs .
TQA:T_1247_1
5
used
true
use
[ "why", "is", "something", "used", "_", "_", "_", "?" ]
[ "for municipal and agricultural needs", "for municipal and agricultural needs ." ]
[ [ 8, 13 ], [ 8, 14 ] ]
The aquifer is found from 30 to 100 meters deep over an area of about 440,000 square kilometers !
TQA:T_1247_3
3
found
true
find
[ "what", "is", "_", "found", "_", "_", "_", "?" ]
[ "The aquifer" ]
[ [ 0, 2 ] ]
The aquifer is found from 30 to 100 meters deep over an area of about 440,000 square kilometers !
TQA:T_1247_3
3
found
true
find
[ "where", "is", "something", "found", "_", "_", "_", "?" ]
[ "from 30 to 100 meters deep", "from 30 to 100 meters deep over an area of about 440,000 square kilometers" ]
[ [ 4, 10 ], [ 4, 18 ] ]
About eight times more water is taken from the Ogallala Aquifer each year than is replenished .
TQA:T_1247_5
6
taken
true
take
[ "what", "is", "_", "taken", "_", "_", "_", "?" ]
[ "water", "About eight times more water" ]
[ [ 4, 5 ], [ 0, 5 ] ]
About eight times more water is taken from the Ogallala Aquifer each year than is replenished .
TQA:T_1247_5
6
taken
true
take
[ "when", "is", "something", "taken", "_", "from", "something", "?" ]
[ "each year" ]
[ [ 11, 13 ] ]
About eight times more water is taken from the Ogallala Aquifer each year than is replenished .
TQA:T_1247_5
6
taken
true
take
[ "where", "is", "something", "taken", "_", "from", "_", "?" ]
[ "the Ogallala Aquifer" ]
[ [ 8, 11 ] ]
About eight times more water is taken from the Ogallala Aquifer each year than is replenished .
TQA:T_1247_5
15
replenished
true
replenish
[ "what", "is", "_", "replenished", "_", "_", "_", "?" ]
[ "water" ]
[ [ 4, 5 ] ]
About eight times more water is taken from the Ogallala Aquifer each year than is replenished .
TQA:T_1247_5
15
replenished
true
replenish
[ "when", "is", "something", "replenished", "_", "_", "_", "?" ]
[ "each year" ]
[ [ 11, 13 ] ]
About eight times more water is taken from the Ogallala Aquifer each year than is replenished .
TQA:T_1247_5
15
replenished
true
replenish
[ "where", "is", "something", "replenished", "_", "_", "_", "?" ]
[ "Ogallala Aquifer", "the Ogallala Aquifer" ]
[ [ 9, 11 ], [ 8, 11 ] ]
Much of the water is used for irrigation -LRB- Figure 1.3 -RRB- .
TQA:T_1247_6
5
used
true
use
[ "what", "is", "something", "used", "_", "for", "_", "?" ]
[ "for irrigation", "irrigation" ]
[ [ 6, 8 ], [ 7, 8 ] ]
Much of the water is used for irrigation -LRB- Figure 1.3 -RRB- .
TQA:T_1247_6
5
used
true
use
[ "what", "is", "_", "used", "_", "for", "something", "?" ]
[ "Much of the water" ]
[ [ 0, 4 ] ]
Click image to the left or use the URL below .
TQA:T_1247_7
0
Click
true
click
[ "what", "is", "_", "clicked", "_", "_", "_", "?" ]
[ "image", "image to the left" ]
[ [ 1, 2 ], [ 1, 5 ] ]
Click image to the left or use the URL below .
TQA:T_1247_7
6
use
true
use
[ "what", "can", "_", "used", "_", "_", "_", "?" ]
[ "the URL", "URL" ]
[ [ 7, 9 ], [ 8, 9 ] ]
URL : Intense drought has reduced groundwater levels in the southern U.S. , particularly in Texas and New Mexico .
TQA:T_1247_8
5
reduced
true
reduce
[ "what", "has", "_", "reduced", "something", "_", "_", "?" ]
[ "Intense drought" ]
[ [ 2, 4 ] ]
URL : Intense drought has reduced groundwater levels in the southern U.S. , particularly in Texas and New Mexico .
TQA:T_1247_8
5
reduced
true
reduce
[ "what", "has", "something", "reduced", "_", "_", "_", "?" ]
[ "groundwater levels" ]
[ [ 6, 8 ] ]
URL : Intense drought has reduced groundwater levels in the southern U.S. , particularly in Texas and New Mexico .
TQA:T_1247_8
5
reduced
true
reduce
[ "where", "has", "something", "reduced", "something", "_", "_", "?" ]
[ "in the southern U.S. , particularly in Texas and New Mexico", "in the southern U.S." ]
[ [ 8, 19 ], [ 8, 12 ] ]
Lowering the water table may cause the ground surface to sink .
TQA:T_1248_0
0
Lowering
true
lower
[ "what", "is", "_", "lowered", "_", "_", "_", "?" ]
[ "the water table" ]
[ [ 1, 4 ] ]
Lowering the water table may cause the ground surface to sink .
TQA:T_1248_0
5
cause
true
cause
[ "what", "is", "_", "caused", "_", "_", "_", "?" ]
[ "the ground surface to sink .", "the ground surface to sink" ]
[ [ 6, 12 ], [ 6, 11 ] ]
Lowering the water table may cause the ground surface to sink .
TQA:T_1248_0
5
cause
true
cause
[ "what", "is", "_", "causing", "something", "_", "_", "?" ]
[ "Lowering the water table" ]
[ [ 0, 4 ] ]
Lowering the water table may cause the ground surface to sink .
TQA:T_1248_0
10
sink
true
sink
[ "what", "will", "_", "sinking", "_", "_", "_", "?" ]
[ "ground surface", "the ground surface" ]
[ [ 7, 9 ], [ 6, 9 ] ]
Lowering the water table may cause the ground surface to sink .
TQA:T_1248_0
10
sink
true
sink
[ "why", "will", "something", "sinking", "_", "_", "_", "?" ]
[ "Lowering the water table" ]
[ [ 0, 4 ] ]
Subsidence may occur beneath houses and other structures -LRB- Figure 1.4 -RRB- .
TQA:T_1248_1
2
occur
true
occur
[ "what", "might", "_", "occur", "_", "_", "_", "?" ]
[ "Subsidence" ]
[ [ 0, 1 ] ]
Subsidence may occur beneath houses and other structures -LRB- Figure 1.4 -RRB- .
TQA:T_1248_1
2
occur
true
occur
[ "where", "might", "something", "occur", "_", "_", "_", "?" ]
[ "beneath houses and other structures" ]
[ [ 3, 8 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
4
overused
true
overuse
[ "what", "is", "_", "overused", "_", "_", "_", "?" ]
[ "coastal aquifers" ]
[ [ 1, 3 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
12
enter
true
enter
[ "what", "_", "_", "enters", "_", "_", "somewhere", "?" ]
[ "salt water", "salt water from the ocean" ]
[ [ 6, 8 ], [ 6, 11 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
12
enter
true
enter
[ "where", "does", "something", "enter", "_", "_", "_", "?" ]
[ "the aquifer", "from the ocean" ]
[ [ 13, 15 ], [ 8, 11 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
16
contaminating
true
contaminate
[ "what", "_", "_", "contaminated", "something", "by", "doing something", "?" ]
[ "salt water", "salt water from the ocean" ]
[ [ 6, 8 ], [ 6, 11 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
16
contaminating
true
contaminate
[ "what", "did", "something", "contaminate", "_", "by", "doing something", "?" ]
[ "aquifer", "the aquifer" ]
[ [ 14, 15 ], [ 17, 19 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
16
contaminating
true
contaminate
[ "what", "did", "something", "contaminate", "something", "by", "doing", "?" ]
[ "making it less useful for drinking and irrigation", "When coastal aquifers are overused" ]
[ [ 20, 28 ], [ 0, 5 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
20
making
true
make
[ "how", "does", "something", "make", "something", "_", "_", "?" ]
[ "contaminating the aquifer", "useful for drinking and irrigation", "less useful for drinking and irrigation" ]
[ [ 16, 19 ], [ 23, 28 ], [ 22, 28 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
20
making
true
make
[ "what", "does", "something", "make", "_", "_", "_", "?" ]
[ "contaminating the aquifer", "it", "less useful for drinking and irrigation" ]
[ [ 16, 19 ], [ 21, 22 ], [ 22, 28 ] ]
When coastal aquifers are overused , salt water from the ocean may enter the aquifer , contaminating the aquifer and making it less useful for drinking and irrigation .
TQA:T_1249_0
20
making
true
make
[ "what", "_", "_", "makes", "something", "_", "_", "?" ]
[ "salt water" ]
[ [ 6, 8 ] ]
Salt water incursion is a problem in developed coastal regions , such as on Hawaii .
TQA:T_1249_1
7
developed
true
develop
[ "what", "was", "_", "developed", "_", "_", "_", "?" ]
[ "Salt water incursion", "coastal regions" ]
[ [ 0, 3 ], [ 8, 10 ] ]
Salt water incursion is a problem in developed coastal regions , such as on Hawaii .
TQA:T_1249_1
7
developed
true
develop
[ "where", "was", "something", "developed", "_", "_", "_", "?" ]
[ "on Hawaii", "coastal regions , such as on Hawaii" ]
[ [ 13, 15 ], [ 8, 15 ] ]
For example , irrigation water infiltrates into the ground , bringing with it the pesticides , fertilizers , and herbicides that were sprayed on the fields .
TQA:T_1250_2
10
bringing
true
bring
[ "what", "is", "_", "brought", "_", "_", "_", "?" ]
[ "herbicides", "pesticides , fertilizers , and herbicides", "the pesticides , fertilizers , and herbicides that were sprayed on the fields", "pesticides", "fertilizers" ]
[ [ 19, 20 ], [ 14, 20 ], [ 13, 26 ], [ 14, 15 ], [ 16, 17 ] ]
For example , irrigation water infiltrates into the ground , bringing with it the pesticides , fertilizers , and herbicides that were sprayed on the fields .
TQA:T_1250_2
10
bringing
true
bring
[ "what", "is", "_", "bringing", "something", "_", "_", "?" ]
[ "water", "irrigation water" ]
[ [ 4, 5 ], [ 3, 5 ] ]
For example , irrigation water infiltrates into the ground , bringing with it the pesticides , fertilizers , and herbicides that were sprayed on the fields .
TQA:T_1250_2
10
bringing
true
bring
[ "where", "is", "something", "brought", "_", "_", "_", "?" ]
[ "into the ground", "fields" ]
[ [ 6, 9 ], [ 25, 26 ] ]
For example , irrigation water infiltrates into the ground , bringing with it the pesticides , fertilizers , and herbicides that were sprayed on the fields .
TQA:T_1250_2
22
sprayed
true
spray
[ "what", "was", "something", "sprayed", "_", "on", "_", "?" ]
[ "the fields", "fields" ]
[ [ 24, 26 ], [ 25, 26 ] ]
For example , irrigation water infiltrates into the ground , bringing with it the pesticides , fertilizers , and herbicides that were sprayed on the fields .
TQA:T_1250_2
22
sprayed
true
spray
[ "what", "was", "_", "sprayed", "_", "_", "_", "?" ]
[ "herbicides", "pesticides , fertilizers , and herbicides", "pesticides", "fertilizers" ]
[ [ 19, 20 ], [ 14, 20 ], [ 14, 15 ], [ 16, 17 ] ]
Water that seeps through landfills also carries toxins into the ground .
TQA:T_1250_3
2
seeps
true
seep
[ "what", "can", "_", "seeped", "something", "_", "_", "?" ]
[ "Water", "landfills" ]
[ [ 0, 1 ], [ 4, 5 ] ]
Water that seeps through landfills also carries toxins into the ground .
TQA:T_1250_3
2
seeps
true
seep
[ "what", "can", "something", "seeped", "_", "_", "_", "?" ]
[ "toxins into the ground", "through landfills" ]
[ [ 7, 11 ], [ 3, 5 ] ]
Water that seeps through landfills also carries toxins into the ground .
TQA:T_1250_3
6
carries
true
carry
[ "how", "is", "something", "carried", "_", "_", "somewhere", "?" ]
[ "seeps through landfills", "Water that seeps through landfills" ]
[ [ 2, 5 ], [ 0, 5 ] ]
Water that seeps through landfills also carries toxins into the ground .
TQA:T_1250_3
6
carries
true
carry
[ "what", "is", "_", "carried", "_", "_", "_", "?" ]
[ "Water", "toxins" ]
[ [ 0, 1 ], [ 7, 8 ] ]
Water that seeps through landfills also carries toxins into the ground .
TQA:T_1250_3
6
carries
true
carry
[ "where", "is", "something", "carried", "_", "_", "_", "?" ]
[ "into the ground" ]
[ [ 8, 11 ] ]
Toxic substances and things like gasoline are kept in underground storage tanks ; more than 100,000 of the tanks are currently leaking and many more may develop leaks .
TQA:T_1250_4
7
kept
true
keep
[ "what", "is", "_", "kept", "_", "_", "somewhere", "?" ]
[ "Toxic substances", "things like gasoline", "Toxic substances and things like gasoline" ]
[ [ 0, 2 ], [ 3, 6 ], [ 0, 6 ] ]
Toxic substances and things like gasoline are kept in underground storage tanks ; more than 100,000 of the tanks are currently leaking and many more may develop leaks .
TQA:T_1250_4
7
kept
true
keep
[ "where", "is", "something", "kept", "_", "_", "_", "?" ]
[ "underground storage tanks", "in underground storage tanks" ]
[ [ 9, 12 ], [ 8, 12 ] ]
Toxic substances and things like gasoline are kept in underground storage tanks ; more than 100,000 of the tanks are currently leaking and many more may develop leaks .
TQA:T_1250_4
21
leaking
true
leak
[ "what", "is", "_", "leaking", "_", "_", "_", "?" ]
[ "more than 100,000 of the tanks", "the tanks" ]
[ [ 13, 19 ], [ 17, 19 ] ]
Toxic substances and things like gasoline are kept in underground storage tanks ; more than 100,000 of the tanks are currently leaking and many more may develop leaks .
TQA:T_1250_4
21
leaking
true
leak
[ "when", "is", "something", "leaking", "_", "_", "_", "?" ]
[ "currently" ]
[ [ 20, 21 ] ]
Toxic substances and things like gasoline are kept in underground storage tanks ; more than 100,000 of the tanks are currently leaking and many more may develop leaks .
TQA:T_1250_4
26
develop
true
develop
[ "what", "might", "_", "developed", "_", "_", "_", "?" ]
[ "leaks" ]
[ [ 27, 28 ] ]
Toxic substances and things like gasoline are kept in underground storage tanks ; more than 100,000 of the tanks are currently leaking and many more may develop leaks .
TQA:T_1250_4
26
develop
true
develop
[ "what", "might", "_", "develop", "something", "_", "_", "?" ]
[ "the tanks", "tanks" ]
[ [ 17, 19 ], [ 18, 19 ] ]
Groundwater is a bit safer from pollution than surface water from some types of pollution because some pollutants are filtered out by the rock and soil that water travels through as it travels through the ground or once it is in the aquifer .
TQA:T_1251_0
19
filtered
true
filter
[ "how", "is", "something", "filtered", "_", "_", "_", "?" ]
[ "by the rock and soil that water travels through", "out by the rock and soil that water travels through", "out" ]
[ [ 21, 30 ], [ 20, 30 ], [ 20, 21 ] ]
Groundwater is a bit safer from pollution than surface water from some types of pollution because some pollutants are filtered out by the rock and soil that water travels through as it travels through the ground or once it is in the aquifer .
TQA:T_1251_0
19
filtered
true
filter
[ "what", "is", "_", "filtered", "_", "_", "_", "?" ]
[ "pollutants", "some pollutants" ]
[ [ 17, 18 ], [ 16, 18 ] ]
Groundwater is a bit safer from pollution than surface water from some types of pollution because some pollutants are filtered out by the rock and soil that water travels through as it travels through the ground or once it is in the aquifer .
TQA:T_1251_0
19
filtered
true
filter
[ "what", "is", "something", "filtered", "_", "by", "_", "?" ]
[ "the rock and soil", "the ground" ]
[ [ 22, 26 ], [ 34, 36 ] ]
Groundwater is a bit safer from pollution than surface water from some types of pollution because some pollutants are filtered out by the rock and soil that water travels through as it travels through the ground or once it is in the aquifer .
TQA:T_1251_0
28
travels
true
travel
[ "what", "_", "_", "travels", "_", "_", "_", "?" ]
[ "water" ]
[ [ 27, 28 ] ]
Groundwater is a bit safer from pollution than surface water from some types of pollution because some pollutants are filtered out by the rock and soil that water travels through as it travels through the ground or once it is in the aquifer .
TQA:T_1251_0
28
travels
true
travel
[ "where", "does", "something", "travel", "_", "_", "_", "?" ]
[ "through as it travels through the ground", "through" ]
[ [ 29, 36 ], [ 29, 30 ] ]
Groundwater is a bit safer from pollution than surface water from some types of pollution because some pollutants are filtered out by the rock and soil that water travels through as it travels through the ground or once it is in the aquifer .
TQA:T_1251_0
32
travels
true
travel
[ "what", "is", "_", "traveling", "_", "_", "_", "?" ]
[ "Groundwater", "water" ]
[ [ 0, 1 ], [ 27, 28 ] ]
Groundwater is a bit safer from pollution than surface water from some types of pollution because some pollutants are filtered out by the rock and soil that water travels through as it travels through the ground or once it is in the aquifer .
TQA:T_1251_0
32
travels
true
travel
[ "where", "is", "something", "traveling", "_", "_", "_", "?" ]
[ "through the ground" ]
[ [ 33, 36 ] ]
But rock and soil cant get out everything , depending on the type of rock and soil and on the types of pollutants .
TQA:T_1251_1
5
get
true
get
[ "what", "can't", "_", "get", "_", "_", "somewhere", "?" ]
[ "rock and soil" ]
[ [ 1, 4 ] ]
But rock and soil cant get out everything , depending on the type of rock and soil and on the types of pollutants .
TQA:T_1251_1
5
get
true
get
[ "where", "can't", "something", "get", "_", "_", "_", "?" ]
[ "out", "out everything" ]
[ [ 6, 7 ], [ 6, 8 ] ]
But rock and soil cant get out everything , depending on the type of rock and soil and on the types of pollutants .
TQA:T_1251_1
9
depending
true
depend
[ "what", "does", "something", "depend", "_", "on", "_", "?" ]
[ "the type of rock and soil and on the types of pollutants", "the types of pollutants", "on the type of rock and soil and on the types of pollutants", "the type of rock and soil" ]
[ [ 11, 23 ], [ 19, 23 ], [ 10, 23 ], [ 11, 17 ] ]
When the pollutant enters the aquifer , contamination spreads in the water outward from the source and travels in the direction that the water is moving .
TQA:T_1252_0
3
enters
true
enter
[ "what", "does", "something", "enter", "_", "_", "_", "?" ]
[ "the aquifer", "aquifer" ]
[ [ 4, 6 ], [ 5, 6 ] ]
When the pollutant enters the aquifer , contamination spreads in the water outward from the source and travels in the direction that the water is moving .
TQA:T_1252_0
3
enters
true
enter
[ "what", "_", "_", "enters", "something", "_", "_", "?" ]
[ "pollutant", "the pollutant" ]
[ [ 2, 3 ], [ 1, 3 ] ]
When the pollutant enters the aquifer , contamination spreads in the water outward from the source and travels in the direction that the water is moving .
TQA:T_1252_0
25
moving
true
move
[ "what", "is", "_", "moving", "_", "_", "_", "?" ]
[ "the water", "water" ]
[ [ 22, 24 ], [ 23, 24 ] ]
This pollutant plume may travel very slowly , only a few inches a day , but over time can contaminate a large portion of the aquifer .
TQA:T_1252_1
4
travel
true
travel
[ "how long", "might", "something", "travel", "_", "_", "_", "?" ]
[ "only a few inches a day", "a few inches a day" ]
[ [ 8, 14 ], [ 9, 14 ] ]
This pollutant plume may travel very slowly , only a few inches a day , but over time can contaminate a large portion of the aquifer .
TQA:T_1252_1
4
travel
true
travel
[ "how", "might", "something", "travel", "_", "_", "_", "?" ]
[ "very slowly" ]
[ [ 5, 7 ] ]