How many chlorine atoms does it take to destroy 100,000 ozone molecules in the stratosphere?

A. 10
B. 1
C. 100
D. 10,000


Answer: B

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High- and low-pressure switches generally use a ____, which expands and contracts with a change of pressure.

a. switch b. spring c. bellows d. strip

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Classify the type of map shown in Figure P1–4. Describe how you came to your conclusion.

What will be an ideal response?

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How can damage to permanent furniture, fire hydrants, and other fixed items be avoided?

What will be an ideal response?

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TSB repairs can be completed under a warranty, but usually the customer must pay.

Answer the following statement true (T) or false (F)

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