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प्रश्न
A symbiotic bacteria.
संक्षेप में उत्तर
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उत्तर
Rhizobium
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संबंधित प्रश्न
What is the effect of pollution on soil?
Name one non-degradable pollutant.
A bio-fertilizer.
Give Technical Terms:
A free living nitrogen fixing blue-green algae
Write short notes on soil pollution by:
Biomedical waste.
Soil pollution is largely localised.
Chemical fertilisers may reach the rivers but do not harm the fish.
Biomedical waste may consist of both biodegradable and non-biodegradable waste.
How do oil spills affect sea life?
Define the following term:
Pesticides
