Stratospheric ozone is important to ecosystems because it ________
A) ensures lakes and oceans do not lose water
B) provides the air we breathe
C) absorbs and scatters UV light
D) keeps the temperature of Earth stable
E) keeps atmospheric gases balanced
Answer: C
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Which of the following did not have colonial influence in the Caribbean
A. The British B. The Dutch D. The French
How many stereoisomers are possible for 2,4-heptadiene?
A) 2 B) 4 C) 7 D) 8
Which of the following statements about water resources is true?
A) The U.S. Environmental Protection Agency frequently creates policy for questions of water quantity and distribution. B) Most water policy decisions in the United States are made at national levels. C) Many countries have addressed their water resources and water needs with national policies and agencies. D) The World Water Forum has found that water supplies for developing nations will stabilize over the next decade.
The basic premise of the ____________________ theory is that, as Earth travels through space, three separate cyclic movements combine to produce variations in the amount of solar energy that falls on Earth
Fill in the blank with correct word.