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11 questions
What percentage of Earth's water is salt water?
2.5%
55 times
90%
97.5%
Describe a Renewable Resources
a resources that runs out
a resource that requires renewing periodically
a resources that will not run out
a limited resource
Surface water is...
water that flows over land and has not been absorbed into the ground
water that moves downhill accoring to gravity
water found on the crust of the earth's surface
all of the land area that supplies water to a particular river system
Surface water is...
water that flows over land and has not been absorbed into the ground
water that moves downhill according to gravity, forming a network of connected streams and rivers
water found on the crust of the earth's surface
all of the land area that supplies water to a particular river system
Runoff is...
water that flows over land and has not been absorbed into the ground
water that moves downhill according to gravity, forming a network of connected streams and rivers
water found on the crust of the earth's surface
all of the land area that supplies water to a particular river system
A watershed is...
water that flows over land and has not been absorbed into the ground
water that moves downhill according to gravity, forming a network of connceted streams and rivers
water found on the crust of the earth's surface
all of the land area that supplies water to a particular river system
River system is...
water that flows over land and has not been absorbed into the ground
water that moves downhill according to gravity, forming a network of connceted streams and rivers
water found on the crust of the earth's surface
all of the land area that supplies water to a particular river system
Permeable
sponge-like formations of rock, sand, or gravel that hold water.
layers containing spaces, or pores, through which water can pass
water found on the crust of the earth's surface
layers with few or no pores
An aquifer has...
sponge-like formations of rock, sand, or gravel that hold water.
layers containing spaces, or pores, through which water can pass
water found on the crust of the earth's surface
layers with few or no pores
Impermeable
sponge-like formations of rock, sand, or gravel that hold water.
layers containing spaces, or pores, through which water can pass
water found on the crust of the earth's surface
layers with few or no pores
A _________ is a hold dug into an aquifer to reach groundwater
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