Atmosphere MCQ Questions and Answers Quiz

71. What fraction of the solar radiation that arrives at the top of the atmosphere is absorbed at the Earths surface?

  1. 70%
  2. 50%
  3. 30%
  4. 20%

72. What fraction of the solar radiation that is absorbed at the Earths surface is used to evaporate water?

  1. 70%
  2. 50%
  3. 30%
  4. 20%

73. What fraction of the terrestrial radiation emission from the Earths surface escapes to space without being absorbed by the atmosphere?

  1. 50%
  2. 30%
  3. 20%
  4. 10%
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