Extrusive igeneous cooled and hardened ________ the Earth's surface, resulting in ________ grained rocks.
A) beneath; finer
B) beneath; coarser
C) at; finer
D) at; coarser
Question 2
Which of the following is true regarding anthropogenic heat production in cities?
A) It can contribute 250 percent more heat energy in winter than is contributed by insolation.
B) It contributes little heat energy relative to that arriving from insolation.
C) It is too small to be considered a relevant part of the energy budget.
D) The production of this heat energy contributes very little to air pollution.
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