Multiple choice

What is albedo of the Earth?

  1. It is the fraction of solar energy reflected from the Earth back into space.

  2. It is the long wave radiation that is absorbed by the atmospheric gases.

  3. It is the process by which very small-suspended particles in the troposphere scatter visible spectrum towards the Earth's surface.

  4. It is the transfer of heat in middle latitudes, that gives most of dirunal variation in daily weather.

  5. It occurs when the amount of heat received in the form of insolation equals the amount lost by the Earth through terrestrial radiation.
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A Correct answer
Explanation

This is the correct answer. Albedo of the Earth is the fraction of solar energy which is in short wave radiation, that is reflected from the Earth back into space.

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