The sulfur dioxide in the atmosphere ________
A) can be an important source of sulfur nutrition for plants
B) comes from fires such as fossil fuel burning, volcanoes and forest fires
C) is a major contributor to "acid rain"
D) all of the above
E) none of the above
D
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Before a bus enters a curve, the driver should:
A. Increase their speed. B. Not change their speed. C. Reduce their speed.
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By the year 2050, projections estimate the world population could approach ___ _______ people
a. 1 billion c. 50 million b. 10 billion d. 100 million
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The ____________________ is a diluted Havana Brown that sometimes appears in litters of Havana rabbits
Fill in the blank(s) with correct word
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During the 1990s, the rate of increase of food production has declined
Indicate whether the statement is true or false
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