A factor that can influence earth's temperature but not be influenced by humans
A. variations in solar radiance.
B. surface albedo.
C. aerosol concentration.
D. atmospheric albedo.
Answer: A
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A) along the coast B) in the core C) along fault scarps D) along plate boundaries
Artificially nourished beaches are generally short-lived. Indicate whether the statement is true or false
Which of the following is true of the ibuprofen-containing drugs Advil and Motrin?
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If 2 grams of water absorbs 20 calories of heat, the resulting water temperature change is ________
A) +20°C B) -10°C C) -20°C D) 0°C E) +10°C