Question

Can anyone tell me answer of this question

Answer 1

hey mate,

first let's talk about farmer

while removing weeds from his crops, he will be careful for not uprooting a special plant called Anabeana azolla. They are a kind of ferns which fix atmospheric nitrogen.

In the case of house wife,

hmm...There will be many examples
say Fermentation of dosa, idli etc
its purely biology based

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