Insolation at Earth's Surface The insolation received at Earth's surface is A)usually low at the equator. B)generally greater at high latitudes because of day length. C)greatest over low-latitude deserts with their cloudless skies. D)inadequate to sustain life. E)highest in the mid-latitudes due to seasonality.

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The insolation received at Earth's surface is greatest over low-latitude deserts with their cloudless skies. This is because clouds can reflect or absorb some of the incoming solar radiation, reducing the amount that reaches the surface, but deserts usually have clear skies with little to no cloud cover, allowing more solar radiation to reach the surface.