Biology Our Environment CBSE Board 2026 Medium
(a) Improper waste disposal is a curse to the environment. Explain. (b) Why are crop fields considered as art…
- (a)Improper waste disposal is a curse to the environment. Explain.
- (b)Why are crop fields considered as artificial ecosystems ?
- (c)Farmers are using pesticides on the crop plants, but the chances of accumulation of harmful chemicals is greatest in human beings. Why ? Name the phenomenon.
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