About one-third of the annual surface runoff is ____, which we can generally count on as a source of freshwater from year to year.
A. reliable surface runoff
B. transpiration
C. embedded water
D. virtual water
E. artesian runoff
Answer: A
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a. reducing and recycling b. reducing and repurposing c. reducing and reconstituting d. reducing and reusing e. reducing and incinerating
Which of the following is NOT true of the epidemiologic transition?
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a. True b. False
What is a hydrothermal vent? What process is involved in their making? Who is responsible for discovering these vents