Environmental Engineering Reference
In-Depth Information
4. Which of the following is NOT an effect of ozone depletion?
A. An increase in sunburns and other damage to the skin that may result in more cases of skin cancer
B. Higher UV radiation causing damage to the leaves of plants and reducing the crop production
C. Cooling of the troposphere as less UV radiation reaches the Earth's surface
D. Harmful effect to the skin of animals (even animals with fur) and to their eyes
E. Increase in the rate of mutations as UVB damages DNA in living organisms
5. Which of the following is NOT a source of CFCs?
A. Aerosol cans
B. Air conditioners
C. Foam production
D. Cleaning solutions
E. Refrigerators
6. Which greenhouse gas is the cause of 80 percent to 90 percent of the natural greenhouse effect?
A. Water vapor
B. Carbon dioxide
C. Methane
D. Nitrous oxide
E. Halons
7. Which of the following is the greatest overall threat to species survival?
A. Climate change
B. Pollution
C. Overuse
D. Invasive species
E. Habitat loss
8. Which of the following are examples of habitat fragmentation?
I. A large area is cut into smaller patches by the development of ranches.
II. Farms are removed to reconnect land areas.
III. Major highways divide the land, making it difficult for species to cross.
A. I only
B. II only
C. III only
D. I and III
E. I, II, and III
9. Which of the following is NOT a reason for the huge loss of species in the world's oceans?
A. Over 60 percent of the world's population living near a coastal area
B. Two billion people relying on the world's oceans for the majority of their protein
C. Bycatch, the unintended capture of fish that are not the target species
D. The high number of fish caught for sport fishing
E. People changing their diets to include more fish and less beef and pork
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