The two most abundant elements in Earth's crust are ________.

A. carbon and oxygen
B. iron and magnesium
C. carbon and hydrogen
D. hydrogen and oxygen
E. oxygen and silicon


Answer: E

Environmental & Atmospheric Sciences

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a. lead to greater evaporation b. withstand erosion c. retain water more efficiently d. allow water to infiltrate quickly

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The Christian faith in Europe, spread from Rome to provincial capitals and smaller settlements, is an example of:

A. expansion diffusion. B. spatial diffusion. C. hierarchical diffusion. D. contagious diffusion.

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In a classification of the ocean by location, the open water zone in the near shore is called the ________

a. neritic zone b. oceanic zone c. benthic zone d. pelagic zone

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Which location receives the most sun energy per unit area during the winter solstice?

A) South Pole B) Northern Hemisphere mid-latitudes C) Southern Hemisphere mid-latitudes D) Equatorial regions

Environmental & Atmospheric Sciences