Does sunlight increase the temperature of the air around the earth directly, or does
sunlight first increase the temperature of the land, which then increases the temperature of the air?
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Sunlight increases the temperature of the air directly, but sunlight does not increase
the temperature of the land, and the land does not increase the temperature of the air.
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Sunlight increases the temperature of both the air and the land directly, but the land
does not increase the temperature of the air.
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Sunlight increases the temperature of both the air and the land directly, and the land
increases the temperature of the air.
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Sunlight increases the temperature of the land directly, but the land does not increase
the temperature of the air, and the temperature of the air is not increased directly by the sunlight.