Chlorofluorocarbons (CFCs):
a. have never been very abundant

b. bind oxygen atoms together creating ozone.
c. do no harm to the atmosphere.
d. contain chlorine atoms that can destroy ozone (O3) by converting it to oxygen (O2).


d

Environmental & Atmospheric Sciences

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a) soil b) metamorphic rock c) igneous rock d) water e) oil

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mP air masses

A) are colder than cP masses. B) are drier than cP masses. C) can produce northeasters on the Atlantic Coast of North America. D) rarely affect North America.

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Between which planets is the asteroid belt found?

A) between Mars and Jupiter B) between Earth and Mars C) between Earth and Venus D) between Jupiter and Neptune

Environmental & Atmospheric Sciences

Streams with perennial flow continue to receive water between storms because of:

a. aquicludes. b. traction. c. peak flow. d. flood crests. e. base flow.

Environmental & Atmospheric Sciences