Albedo describes the reflectance of radiation off of a surface. How could the reduction of ice sheets and glaciers at the north and south poles cause changes in Earth's surface temperatures? 
McGraw-Hill Education
A. The greenhouse effect would be greatly reduced and Earth's surface would heat up closer to that of Venus.
B. More CO2 in the atmosphere will cool the Earth.
C. The loss of high-albedo snow and ice would increase the absorbance of radiation, heating Earth's surface.
D. Reduction of water vapor in the atmosphere would result in Earth's surface cooling down.
Answer: C
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The Coriolis Effect is zero at:
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How do a-amylase and b-amylase differ in their functions?
A) They do not differ, they are two different enzymes which perform the same function. B) a-amylase hydrolyzes a(1 ? 6 ) glycosidic bonds, but b-amylase hydrolyzes b(1 ? 4 ) glycosidic bonds. C) a-amylase hydrolyzes a(1 ? 6 ) glycosidic bonds at in an orderly way, but b-amylase hydrolyzes a(1 ? 4 ) glycosidic bonds at random. D) a-amylase hydrolyzes a(1 ? 4 ) glycosidic bonds at random, but b-amylase hydrolyzes a(1 ? 4 ) glycosidic bonds in an orderly way.
Which of the following statements is true of the lithosphere?
A) The lithosphere is composed only of outer mantle material. B) The lithosphere is composed only of igneous rock. C) The lithosphere is composed only of metamorphic rock. D) The lithosphere is composed of the crust and the uppermost portion of the mantle. E) The lithosphere is composed of the inner portion of the mantle and the outer core.
A ________ is an agricultural-based community in which a number of families live in close proximity to one other, with fields surrounding the collection of houses and farm buildings
A) clustered rural settlement B) dispersed rural settlement C) clustered linear rural settlement D) clustered circular rural settlement E) rural "main street" farm settlement