9th Class Science Natural resources Question Bank 9th CBSE Science Natural resources

  • question_answer
                                     How are CFCs harmful for the environment and living beings?

    Answer:

                      Plants require CO2 in an optimum amount for the process of photosynthesis. But, increasing concentration of (more than normal) CO2 is harmful and considered as a pollutant. Higher concentration of CO2 is one of the causes of greenhouse effect and global warming as it absorbs the infrared radiations thus increasing the temperature of Earth. This leads to many environmental problems.


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