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
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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.
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
Soils with a higher proportion of larger particles tend to be well-aerated and ____
a. lead to greater evaporation b. withstand erosion c. retain water more efficiently d. allow water to infiltrate quickly
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