1) What factor affects heat distribution? a) Curvature b) Albedo c) Angle d) All of the above 2) What area has a higher albedo? a) North pole b) Equator 3) What is the lowest level of the atmosphere? a) Troposphere b) Thermosphere c) Exosphere 4) How much of the suns initial energy is kept by the earth? a) 52% b) 46% c) 64% d) 25% 5) Does ice or snow have a higher albedo? a) Ice b) Snow 6) How much of the suns energy is reflected by clouds? a) None b) 71% c) 17% 7) Where are the suns rays most spread out? a) Equator b) Poles 8) How much of the suns energy is reflected by the earth surface? a) 6% b) 12% c) 26% 9) Which clouds have the highest albedo? a) Cumulous b) Stratus c) Nimbostratus d) Cumulonimbus 10) What is the tilt o the earth? a) 15 degrees b) 20 degrees c) 23 degrees d) 32 degrees

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