The world today produces ________ pounds of food per person per day
A) 1.2
B) 2.7
C) 4.3
D) 5.6
Answer: C
Environmental & Atmospheric Sciences
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How much of the world's table salt is produced by the evaporation of seawater?
a. One quarter b. One third c. One half d. Three-quarters
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What happens to a river as it flows through a delta and encounters the sea? 
A. The maximum sediment grain size carried by the river increases. B. The total sediment load carried by the river decreases. C. The discharge and water velocity increase. D. All of these choices are correct.
Environmental & Atmospheric Sciences
Which of the following is not a depositional feature formed by, or in association with, a continental glacier?
A) unstratified till B) outwash plain C) lateral moraine D) esker E) kame
Environmental & Atmospheric Sciences
Which of the following is a specialist species?
A. flies B. cockroach C. raccoons D. rats E. pandas
Environmental & Atmospheric Sciences