Science lt reviewer

Sci Reviewer: Ecological Problems

1.) What causes carbon monoxide?
A. incomplete combustion of fossil fuel
B. gases from stoves
C. complete combustion of fossil fuel
D. gases from the atmosphere

2.) Hydrocarbons are produced EXCEPT for…
A. burning banana leftovers
B. evaporation of gasoline
C. evaporation of petroleum
D. burning wood

3.) Which of the following does not describe an ozone (O3)?
A. a colorless gas
B. form of oxygen
C. protects us from UV rays
D. none of the above

4.) Which of the following is a depleter of the stratospheric ozone?
A. Chlorofluorocarbons
B. Hair net sprays
C. Methane
D. Perfumes

Answer Key:

1.) A
2.) D
3.) D
4.) C

made by martin dizon