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Heat budget

General Awareness Questions  of SSC - Tier 1 with Explanations,
       Also Refer General Reasoning-Part 1

      
Q. Which of the following options correctly explains the term "Heat budget"?
  
      A) It is the amount of heat which the surface of earth receives from the sun
      B) It is the radiation from the earth in the form of long waves
      C) It is a mode of transfer of heat through matter by molecular activity
      D) It is the balance between incoming and outgoing radiation

Answer : It is the balance between incoming and outgoing radiation
          Heat budget is the balance between incoming heat absorbed by the earth and outgoing heat released from earth. Incoming heat energy sometimes varies from one location to another. If it is not balanced, the earth will get gradually cooler or warmer every year.

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