McGraw-Hill Online Learning Center Test<BLURT>

McGraw-Hill Online Learning Center Test


1. Review the animation and answer the following questions.

The ozone layer is located

A. very close to earth's surface.
B. in the middle of the troposphere.
C. in the lower part of the stratosphere.
D. in the upper part of the stratosphere.


2. One chlorofluorocarbon molecule has been estimated to be able to destroy A. one hundred ozone molecules.
B. one thousand ozone molecules.
C. one hundred thousand ozone molecules.
D. one million ozone molecules.


3. Chlorofluorocarbons were used in all of the following EXCEPT A. refrigerators.
B. the production of styrofoam.
C. aerosol spray cans.
D. the production of plastic.
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