At greater depths, rocks are
A) stronger and more brittle.
B) weaker and more plastic.
C) weaker and more brittle.
D) stronger and more plastic.
Answer: D
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The elements of weather include
A) latitude and humidity. B) temperature and precipitation. C) the seasons and clouds. D) humidity and global warming.
What causes a decrease in oxygen levels beyond the sunlit layer?
a. There are fewer animals present b. Mineral precipitation c. The respiration of marine animals and bacteria d. Decreased saturation because of cooler water e. The by-products of photosynthesis
On average, what weather phenomenon kills the most people in the U.S. every year?
A. hurricane B. lightening C. excessive heat D. tornado
Today, the reasons conservationists have given for protecting natural environments are shifting from arguments based upon __________ to arguments based upon __________.
- ethics; economics - politics; aesthetics - religion; ethics - aesthetics; ethics