The oceans absorb CO2 from the lower atmosphere, which in turn creates carbonic acid. Should humans be concerned about this ocean acidification?
A. No; because carbonic acid is an ingredient in soft drinks, it is not dangerous.
B. No, because the oceans have such a large volume, that increases in carbonic acid don't have a major affect.
C. No, because carbonic acid is consumed by organisms in the ocean before it can do harm.
D. Yes, because the increasing acidification means oceans will be unsafe for humans to swim in.
E. Yes, because ocean acidification inhibits the growth of shelled organisms and decreases phytoplankton populations.
Answer: E
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A) They coincide at noon. B) exhibits a lag of several hours between the plotted lines. C) The warmest time of day is immediately before sunset, corresponding with maximum radiant energy. D) Little or no relationship exists between the two variables. E) Peak temperatures occur near noon, whereas peak insolation receipt is at 3:00 or 4:00 P.M.
A semienclosed sea at 30°N is most likely resupplied with seawater at depth.
Answer the following statement true (T) or false (F)
The most likely area for the development of tornadoes from this hurricane once it makes landfall is
A) A.
B) B.
C) C.
D) D.
Recent Latino and Asian immigrants have been attracted to the Great Plains because of jobs in what industry?
A) Agriculture B) Mining C) Meat packing D) Automobile manufacturing