What percent age of the U.S. population lives with unhealthy levels of air pollution

A) 33%
B) 41%
C) 59%
D) 62%


B

Environmental & Atmospheric Sciences

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What dynasty led China during its "golden age"?

a. Tang b. Ming c. Zhou d. Qin e. Han

Environmental & Atmospheric Sciences

"Iron hat" is often a good indicator of which type of buried mineral deposit?

A. Copper oxide B. Copper sulfate C. Copper sulfide D. Copper carbonate

Environmental & Atmospheric Sciences

Which of the following choices is an example of a primary volcanic hazard?

a. tsunami b. lahars c. pumice falls d. long-term volcanic degassing e. severe weather conditions

Environmental & Atmospheric Sciences

Atoms of which of the following elements are smallest?

A) Cl B) P C) S D) None, they are all the same size.

Environmental & Atmospheric Sciences