On a worldwide basis, which of the following uses the least water?
A. agriculture
B. domestic uses (drinking, cooking, toilets, etc.)
C. hydroelectric power plants
D. industry
Answer: B
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The oceans' surface water is
A. not acidic enough to maintain the earth's climate. B. more able to absorb carbon dioxide as the water temperature increases. C. less able to absorb carbon dioxide as the water temperature increases. D. largely stagnant in terms of facilitating temperature changes E. becoming dramatically cooler in recent decades.
Which of the following are criteria which link countries that form the different regions?
A. cultural B. natural C. economic D. all of the above
Figure 10.25
Costa Rica has created several mega-reserves. In the accompanying figure, green areas are protected natural parklands and yellow areas are the surrounding buffer zones. Discuss the value of the reserves and how they could be linked.
What will be an ideal response?
Sediment deposited by glacial meltwater is:
a. a tarn. b. better sorted than ice-contact deposits. c. tephra. d. clay. e. roche moutonnée.