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FAQnewred.gif (906 bytes)           


Choose the BEST option that completes the statement.

1. On the Celsius scale water boils at

2. 41 degrees F is equal to about

3. What percentage of the Earth's atmosphere is made up of oxygen?

4. As the altitude increases the atmospheric pressure

5. As the temperature of a parcel of air decreases, its density

6. As the temperature of a parcel of air increases, its pressure

7. Relative humidity is the measurement of the total percentage of water vapor in the air.

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Updated: March 12, 2004