Increased ozone in the lower atmosphere (near the ground) results primarily from
A. CFC pollution.
B. carbon dioxide pollution.
C. automobile exhaust.
D. All of the above.
Answer: C
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What was the costliest natural disaster in U.S. history?
A. The Loma Prieta earthquake B. The Boxing Day tsunami C. Hurricane Hugo D. Hurricane Katrina
Loyalists fleeing the incipient United States at the time of the American Revolution settled
A. east of the St. Lawrence Valley B. on the north and west shores of Lake Ontario C. both east of the St. Lawrence Valley and on the north and west shores of Lake Ontario D. neither east of the St. Lawrence Valley nor on the north and west shores of Lake Ontario
____________ are formed as a result of sediments washing off the land that have built out the coast. These sediments
accumulate on a broad continental shelf. Fill in the blank(s) with the appropriate word(s).
Strong storms that develop over water, poleward of the polar front, are called:a
nor’easters. b. upslope lows. c. lee-side lows. d. polar lows. e. none of the above