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.
By the year 2050, projections estimate the world population could approach ___ _______ people
a. 1 billion c. 50 million b. 10 billion d. 100 million
The ____________________ is a diluted Havana Brown that sometimes appears in litters of Havana rabbits
Fill in the blank(s) with correct word
During the 1990s, the rate of increase of food production has declined
Indicate whether the statement is true or false