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15. Our Environment
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Q1 of 95 Page 448

Can biodegradable wastes be harmful?

Yes, sometimes biodegradable waste can be harmful also.

Because when these materials are decomposed with the help of microorganisms, then there is a release of powerful green house gases. These greenhouse gases when reacting with high energy UV radiations in the atmosphere leads to the depletion of the ozone layer. This will harm the various members of the eco-system.


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5

Untreated sewage being disposed of in waste bodies to lead to water pollution. Suggest the practices that can be included for better disposal of sewage waste.

6

What can best method be used for the safe disposal of hospital wastes?

2

Which biological factor is responsible for poor vegetation in deserts?

3

Which group of organisms converts organic materials into inorganic forms?

Questions · 95
15. Our Environment
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