Question

5.Why should preventive measures and biological control methods be
preferred for protecting crops?​

Answer 1

Answer:

Preventive measures and biological control methods should be preferred for protecting crops because excessive use of chemicals leads to environmental problems. These chemicals are also poisonous for plants and animals....

Answer 2

Explanation:

Preventive measures and biological control methods should be preferred for protecting crops because these methods are safe ecologically and do not harm other life forms. Excessive use of chemicals can lead to many environmental problems and cause pollution.

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