Every living being needs Air, Water, Food, etc. on the earth, similarly Ozone. The ozone layer is very prerequisite for life on earth. Ultraviolet radiation coming directly from the sun is very harmful. Its effects can lead to many dangerous diseases like cancer. The ozone layer protects our lives by absorbing this radiation. Formation. The majority of tropospheric ozone formation occurs when nitrogen oxides, carbon monoxide, and volatile organic compounds, react in the atmosphere in the presence of sunlight, specifically the UV spectrum. This single oxygen atom reacts with molecular oxygen to produce ozone.
1. How can we prevent ozone depletion?
A. Limit private vehicle driving
B. Avoid using pesticides
C. Use eco-friendly vehicles
D. All of above
2. Which chemicals affect the ozone layer?
A. Methyl bromide
B. Carbon tetrachloride
C. Hydrobromofluorocarbons
D. All of above
3. Who discovered the ozone hole?
A. Charles Fabry
B. Henri Buisson
C. Both of above
D. None of above
4. Where is the ozone hole located?
A. Antarctic
B. North Antarctic
C. Pacific Ocean
D. Greenland
5. Where is the ozone layer located?
A. In the top layer of the ocean
B. High in the Earth's atmosphere
C. Around the equator
D. Deep in the earth
6. What element makes up ozone?
A. Nitrogen
B. Carbon
C. Oxygen
D. Hydrogen
7. Why is the ozone layer important?
A. It helps to provide food for ocean bacteria.
B. It prevents hurricanes from formingIt slows down global warming.
C. It absorbs ultraviolet rays from the Sun that can cause cancer.
D. All of above
8. Where do CFCs come from?
A. Spray cans
B. Fire extinguishers
C. Air conditioners
D. All of above
9. Where was Freon used prior to the ban on CFCs?
A. To make foam
B. In television screens
C. To kill insects on farms
D. In air conditioners
10. When was Ozone hole founded?
A. May 2015
B. May 1975
C. May 1985
D. May 1995
11. Who discovered bad CFCs?
A. Irvine
B. F.Sherwood Rowland
C. Mario J. Molina
D. All of above
12. How big is the ozone hole now?
A. 1.9 million square miles
B. 10 million square miles
C. 8.9 million square miles
D. None of these
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