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Railways PYQCBT 1 2016

RRB NTPC · Question 66

Increase in carbon dioxide in the atmosphere is caused by which of the following reasons? I) Excessive use of fossil fuels II) Deforestation III) Increased number of vehicles IV) Excessive use of solar heaters

  1. I and II

  2. I, II and IV

  3. I, II and III

  4. I, II, III and IV

Show answer & explanation

Answer: (C) I, II and III

Explanation

Burning fossil fuels, deforestation and more vehicles all raise atmospheric CO₂. Solar heaters do not emit CO₂.