If you are at the beach and blunder into a rip current, how do you get out?
a) Swim really hard toward the beach
b) Swim perpendicular to the current until you are out (usually parallel to shore)
c) Ride out the current until it dissipates
d) Call 911 on your cell phone
e) Dive under the current and swim toward shore
B
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The price U.S. consumers pay at the pump for gasoline largely reflects
A. subsides and tax breaks from oil companies and car manufacturers. B. a tax on pollution control. C. military protection of oil supplies in unstable countries. D. the actual cost of the gasoline. E. a substantial subsidy from the government plus a nominal price paid by consumers.
Glacially deposited strata were important in the development of continental drift theory because ____
A)the distribution of glacial deposits indicated that the entire Earth must have been glaciated at one time B)the distribution of coal-swamp deposits indicated that the entire Earth must have been very warm while glaciers formed C)they indicated that large glaciers affect the rate of continental drift D)the glacial deposits indicated that all of the southern continents must have been closer to the South Pole and contiguous E)they showed how glacier formation remained constant even when continents drifted
The ________ computer model for hurricane forecasting applies the laws of physics to the current conditions and position of a hurricane
Fill in the blank(s) with the appropriate word(s).
What is a growing concern related to sea-level rise?
A) eroding shorelines in coastal areas B) vanishing land near lakes and rivers C) deforestation as salt in the atmosphere increases D) migrating birds as salt in the atmosphere increases E) fish migrating earlier than usual