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प्रश्न
Name one non-degradable pollutant.
संक्षेप में उत्तर
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उत्तर
DDT
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संबंधित प्रश्न
List two major harmful effects of the following:
Pesticides such as DDT used in agriculture.
How is soil pollution caused?
Explain the Term: Bio-fertilizer
A free living bacteria which helps in nitrogen fixation.
Give Technical Terms:
The bioindicator of pollution.
Mention any two sources of soil pollution.
Write short notes on soil pollution by:
Biomedical waste.
Chemical fertilisers may reach the rivers but do not harm the fish.
Biomedical waste may consist of both biodegradable and non-biodegradable waste.
Define the following term:
Pesticides
