Which one of the following items is not normally an important requisite for agriculture?
Asoil
Bsunlight and water
Cair
Dpesticides
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When was the first state-level pollution control board established in India?
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ഗ്രീൻ പീസ് ഇന്ത്യയുടെ പഠന റിപ്പോർട്ട് പ്രകാരം ദക്ഷിണേന്ത്യയിലെ ഏറ്റവും മലിനമായ നഗരം ഏതാണ് ?