Earth has an of about 30 percent, reflecting much of the sun's radiation back into space.

Albedo

Explanation:

Albedo means Whiteness.

It is the measure of how a certain amount of light which hits a surface is reflected without being absorbed.

Any substance that appears white reflects most of the light that hits it and has a high albedo while any substance which looks dark absorbs most of the light that hits it indicating a low albedo.

Earth has an albedo of about 30 percent, reflecting much of the sun's radiation back into space.

sadness is not good

explanation:

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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