why it is said that chemicals pesticides are advisable for us a)because they are expensive b) because they do not kill all the pest species c)because they are harmful for the ecosystem d) all the above.
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Answered by
5
Answer:
all of the above OK bro is this corrrct
Answered by
2
Answer:
(c) because they are harmful for the ecosystem.
Explanation:
pesticides ruin soil fertility as well as groundwater. it makes the crop harmful for health and inevitably ruins the ecosystem
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