Technological fixes, such as using resources more efficiently, have been able to keep up with expansion of global resource use.
Answer the following statement true (T) or false (F)
False
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Objections to the "stepping-stone" hypothesis, suggesting that deep-sea hydrothermal vent organisms are dispersed by taking advantage of whale falls (like stepping-stones), include all of the following except ________.
A. the number of overlapping species found at multiple sites is small B. chemosynthetic organisms found at whale falls are not the same as at hydrothermal vents C. most whales live and die in shallow waters D. increasing numbers of vents found suggest that dispersal is not a problem
Which manufacturing region in Europe is linked to the Black Sea via the Volga River?
A) Upper Rhine-- Alsace-Lorraine Region (Mid-Rhine) B) Po River Valley (northern Italy) C) Ukraine, including the Donets Basin D) Belgium Netherlands, Northwestern Germany, Northeastern France E) Moscow region in Russia
Family planning reduces the number of legal and illegal abortions performed each year, and stabilizes the populations.
Answer the following statement true (T) or false (F)
Why might coating a metal with another metal that is harder to oxidize prevent the first metal from being oxidized?
A) It doesn't prevent it, but helps to slow it down. B) All of the oxidizing agent is consumed using up the easily oxidized metal. C) The metal that is coated is protected from moisture and oxygen so it doesn't react. D) The metal that is acting as the coating is protected from moisture and oxygen. E) all of the above