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प्रश्न
Give Technical Terms:
A free living nitrogen fixing blue-green algae
एका वाक्यात उत्तर
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उत्तर
Sunn hemp
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संबंधित प्रश्न
Edible oil is not allowed to stand for a long time in an iron or tin container.
Explain the Term: Nitrification
The pollution caused due to use of pesticides in agriculture.
Two chemical fertilizers.
A bio-fertilizer.
A symbiotic bacteria.
Mention any two sources of soil pollution.
Write short notes on soil pollution by:
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How do oil spills affect sea life?
Define the following term:
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