The sulfur dioxide in the atmosphere:
A) is a major contributor to "acid rain."
B) can be an important source of sulfur nutrition for plants.
C) comes from fires such as fossil fuel burning, volcanoes and forest fires.
D) all of the above
E) none of the above
D
You might also like to view...
A digital controller installed on a packaged rooftop unit at the factory is called a(n) _____.
a. open architecture device b. network controller c. product-integrated controller d. general-purpose device
According to the principle of popular sovereignty, the question of slavery in the territories should be determined by
A. an elected territorial governor. B. a national referendum of all citizens of states and territorial residents in America. C. congressional legislation. D. a Supreme Court decision. E. the self-determination of people in any given territory.
A certain brand of dinnerware set comes in three colors: red, white, and blue. Twenty percent of customers order the red set, 45% order the white, and 35% order the blue. Let X = 1 if a randomly chosen order is for a red set, let X = 0 otherwise; let Y = 1 if the order is for a white set, let Y = 0 otherwise; let Z = 1 if it is for either a red or white set, and let Z = 0 otherwise.
What was the result of the EEC’s agricultural policy?
a. decreased subsidies for European farmers b. decline in agricultural employment c. reduced agricultural productivity d. increased need for farm labor