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Railways PYQCBT 2 2017

RRB NTPC · Question 92

Plants and microorganisms help in re-creating the quality of _________

  1. our lifestyle

  2. our wealth

  3. outer space

  4. the air we breathe

Show answer & explanation

Answer: (D) the air we breathe

Explanation

Through photosynthesis plants absorb carbon dioxide and release oxygen, and microorganisms break down pollutants, helping to restore the quality of the air we breathe.