Which of the following is not correct regarding geothermal energy?
A) It is the product of exogenic processes.
B) It's in use in Iceland, Japan, and California.
C) Used geothermal water can be returned to aquifers via injection wells.
D) It can be used to produce both heat and electricity.
A
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The difference between lightwaves approaching and lightwaves receding is
A. when approaching, lightwaves have higher frequency; when receding, their frequency is lower. B. the frequency of approaching lightwaves remain constant, while receding lightwaves are invisible. C. when approaching, lightwaves have lower frequency; when receding, their frequency is higher. D. There is no difference.
Which of the following statements describes the usual speed and strength of atmospheric shortwaves?
A. They are slower than longwaves and weaken when they move through a longwave ridge. B. They are faster than longwaves and weaken when they move through a longwave ridge. C. They are faster than longwaves and strengthen when they move through a longwave ridge. D. They are slower than longwaves and strengthen when they move through a longwave ridge.
The index minerals that form in a metamorphic rock depend on the composition of the parent rock
affected. Indicate whether the statement is true or false.
Which of the following is an example of a common ecosystem service?
A. Earthworm eat leaves and defecate deep in their burrows. B. Decomposer bacteria and other organisms cause leaves to decompose on the forest floor. C. People enjoy seeing wildlife. D. All of the statements are correct. E. None of the statements are correct.