Groundwater eventually returns to the atmosphere through which of the following?
A) seepage into rivers
B) human use in agriculture and industry
C) transpiration through plants
D) all of the above
Answer: D
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A model is essentially a simplification of natural systems
Indicate whether the statement is true or false
What do the two stars near the center of this block represent?
A. the star at depth is the place where the earthquake is generated B. the location of the earthquake C. the star at depth is the hypocenter D. the star on the surface is the epicenter E. All of these choices are correct.
Perverse ____ can distort the economic playing field and create a huge economic incentive for resource depletion and environmental degradation.
A. subsidies B. tax incentives C. full-cost pricing D. regulations E. lobbying
Coral reefs most commonly form ____
A) ?in the tropics B) ?along the equator C) ?near the poles D) ?near river runoffs