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प्रश्न
उत्तर
Carbon cycle is a series of chemical reactions in which atmospheric carbon dioxide is used by the organisms and returned to the atmosphere. Photosynthetic plants use carbon as carbon dioxide from the air synthesizing organic compounds. By respiration, burning, decay, etc. the carbon is returned to the atmosphere.
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संबंधित प्रश्न
List any three human activities which would lead to an increase in the carbon dioxide content of air.
What is the greenhouse effect?
Describe the methods of carbon replenishment of atmosphere.
Explain carbon cycle with the help of a flow chart.
The atmospheric carbon dioxide enters the plants through the process of photosynthesis to form ______.
Charcoal, diamond, and graphite are ______ forms of carbon.
All living organisms are made up of carbon-containing molecules like ______ and______.
Assertion (A): By increasing the amount of carbon dioxide, the earth becomes warmer.
Reason (R): Carbon dioxide is a greenhouse gas.
How is carbon dioxide returned to the atmosphere?
