Which of the following products made its way to Europe as part of the Columbian Exchange?
A) potatoes
B) wheat
C) horses
D) grapes
E) barley
A
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?In the IPAT model of environmental impact, technology is always harmful.
Answer the following statement true (T) or false (F)
A tropical depression is more intense than a tropical disturbance.
Answer the following statement true (T) or false (F)
The most important threat to survival of polar bears at this time is
a. ocean currents delivering pollutants to the Arctic Ocean from oceans in more temperate climate zones b. hunting by native populations c. tourism disruptions d. warming of the frozen Arctic, which has has caused the winter ice pack to shrink and break up earlier, thus limiting hunting opportunities for the bears e. a normal population cycle that will result in their slow extinction
Bangladesh has expanded its farmland by
A. irrigating deserts B. filling in its seacoast C. occupying and diking newly deposited alluvium in the delta D. demolishing urban buildings