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483

Q:

The by - product of photosynthesis is 

  • 1
    carbon dioxide
  • 2
    oxygen
  • 3
    energy
  • 4
    sugar
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Answer : 2. "oxygen "
Explanation :

Photosynthesis is the process in which green plants use sunlight, along with water and carbon dioxide to make their own food. Oxygen and glucose are the by-products of photosynthesis.

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