Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at ...........

World Geography (Easy) World climates

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Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude?

22½º North and South

40° North and South

90° North and South

66½º North and South

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Explanation:

Earth does not receive equal radiation at all points. The east west rotation of earth provides equal exposure to sunlight but lattitude and dispersion do affect the amount of radiation received. The poles receive far less radiation than equator. This uneven heating is called differential insolation. At 40° North and South, approximately the heat gain is equal to heat loss through terrestrial radiation.