Question

19. Carbon dioxide is necessary for
plants.Justify this statement.Why do we
consider it as pollutant.


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Answer 1

HERE IS UR ANSWER

It is true that CO2 is necessary for. plants as they need it to synthesise carbohydrate during photosynthesis, but excessive amount of CO2 (more than normal concentration) in atmosphere becomes harmful for living organisms and hence is considered as pollutant

Answer 2

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Explanation: