Carbon Budget and Global Climate Change · NCERT Biology

The carbon budget refers to:

  1. Total amount of carbon stored permanently in Earth's crust
  2. Balance between carbon emissions and carbon absorption
  3. Annual estimate of fossil fuel reserves worldwide
  4. Amount of carbon present only in the atmosphere at one time
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Correct answer: Balance between carbon emissions and carbon absorption

The carbon budget represents the balance between carbon released into the atmosphere and carbon removed by sinks. It is crucial for limiting global temperature rise.

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