Rachel+B

[|Ozone Layer Depletion.ppt]

1. What are the chemicals that penetrate into the stratosphere? a. CFC's b. HPV's c. Ozone molecules. d. PHD's

2. What are CFC's? a. Carbon Florine Carbons. b. Chemicals that are emitted into the atmosphere. c. Chloroflourocarbons d. A & C

3. What does the ozone layer help to shield us from? a. Rain b. Ultraviolet Radiation c. Fog d. Wind

4. What is ultraviolet radiation and how is it harmful to us? a. Causes skin cancer b. Causes sunburn c. A & B d. Just A

5. What does CFC stand for? a. Chloroflorocarbons b. Color for cougars c. Cool futuristic cougars. d. Crazy fun Carebears