The idea that, at some point in the future, humans will be unable to produce enough food to feed the ever-expanding population is called the ____
a. Third Revolution
b. Malthusian scenario
c. Cornucopian situation
d. Death rate solution
e. Birth rate dilemma
b
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What is the contour interval of the topo map?
What will be an ideal response?
Judge the following sentence according to the criteria given below: Earth’s climate for the
next several hundred thousand years depends strongly on the carbon emissions we put into the air over the coming century BECAUSE as much as 25% of the carbon-dioxide in an emissions spike can persist for tens of millennia. a. The assertion and reason are both correct, and the reason is valid. b. The assertion and reason are both correct, and the reason is invalid. c. The assertion is correct and the reason is incorrect. d. The assertion is incorrect and the reason is correct. e. Both the assertion and the reason are incorrect.
Which example represents something with kinetic energy?
A. water in a reservoir behind a dam B. a rock held in your hand C. chemical energy stored in food D. water in a stream E. light from the sun
Given that climate correlates closely with vegetation, what letter approximates the type of vegetation you would see for an Am climate?
A. A B. B C. C