For which of the following non-metallic mineral resources dose the United States produce more than it
consumes?
a. clay
b. gypsum
c. potash
d. salt
e. sulfur
A
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When it was discovered that CFCs were depleting the ozone layer, the manufacturers immediately ceased production of them.
Answer the following statement true (T) or false (F)
Which is the main impediment to shifting away from fossil fuels that cause pollution and climate change?
A. The immense political and economic power of the world's fossil fuel industry. B. We have laws that mandate the use of fossil fuels and no alternatives are allowed. C. There is inadequate technological knowledge about how to do this. D. There is a lack of scientific consensus about the exact impact of fossil fuel use
About ________ percent of all U.S. jobs are in the public sector, ________ percent of public school employees were excluded from the total and counted instead under education (consumer) services
A) 45; 30 B) 25; 13 C) 16; 9 D) 10; 7 E) 8; 4
What is NOT true about acid rain?
A. It is composed mostly of sulfuric and nitric acids. B. It only falls near its source of pollutants. C. It is formed from human-inducted sources. D. Pollutants mix with water in the atmosphere. E. Acidity damages both living and nonliving things.