Which of the following would decrease the severity of air pollution in Los Angeles?
A) Offshore breezes
B) Valley surrounded by mountains
C) Onshore breezes
D) Inversion conditions
A) Offshore breezes
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What global event happened about 35 years ago that helped some fishing areas recover?
A) All commercial fishing was limited to hand lines instead of nets. B) Nations extended their jurisdiction from 12 miles to 200 miles offshore. C) The size of the vessels used for commercial fishing was restricted to 200 tons. D) International agreements limited the size of fish that could be caught and sold.
Make sketches to show the structure of a mature hurricane as it appears from the side and from above. Indicate and label the major features.
What will be an ideal response?
Critical Thinking
What does the accompanying age structure diagram imply about the economic productivity of this country?
What will be an ideal response?
In the diagram, which of the following organisms would probably be found in the area marked 3 and higher?
A. Bullhead catfish and gar B. Gar, blackfly, and midge larvae C. Mayfly and stonefly larvae D. Mosquito larvae E. Leeches and isopods