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प्रश्न
Write the full form of DDT.
पूर्ण रूप लिहा
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उत्तर
Dichloro-diphenyl-trichloroethane
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पाठ 16: Pollution: A Rising Environmental Problem - Review Questions [पृष्ठ २२१]
संबंधित प्रश्न
Explain Biomedical waste
Edible oil is not allowed to stand for a long time in an iron or tin container.
The pollution caused due to use of pesticides in agriculture.
Two chemical fertilizers.
Name one non-degradable pollutant.
What acts as a storage reservoir for water and other plant nutrients.
Give Technical Terms:
Bacteria breaking down dead organisms to liberate nitrogen.
Give Technical Terms:
A free living nitrogen fixing blue-green algae
Flyash and metallic ash are examples of urban domestic waste.
Define the following term:
Sanitary landfills
