The Donora killer smog of 1948 was primarily a consequence of ________

A) emissions from automobiles
B) emissions from home furnaces
C) emissions from the steel mill
D) climate change
E) meteorological conditions


Answer: C

Environmental & Atmospheric Sciences

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What will be an ideal response?

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In Canada, French is spoken mainly in Ontario

Indicate whether the statement is true or false.

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Recent U.S. legislation has mandated increased use of biofuels, and the number of ethanol refineries is growing rapidly. It is now predicted that by 2015, as much as ________% of the U.S. corn crop could go toward ethanol production.

A. 50% B. 70% C. 25% D. 100%

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When did the British set about withdrawing from South Asia altogether?

A) after the Seven Years War B) after World War I C) after World War II D) during the Vietnam War E) none of the above

Environmental & Atmospheric Sciences