Answers 26-27 Chem A DLOC – 3199534 Hypotheses, Laws, and Theories — Unit testQuestion 22

22

QuizMultiple Choice

Hypotheses, Laws, and Theories — Unit test

Question 22 • 26-27 Chem A DLOC – 3199534

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons (CFCs)?

Answer

A

Hazardous coolants in refrigeration units were replaced.

B

Better refrigeration reduced loss of food through spoilage.

C

Lower levels of ozone allowed more ultraviolet radiation to reach Earth.

D

Fire safety improved through the use of fire extinguishers.

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