Chemistry, asked by zehri80, 5 months ago

which of the following statements is/are correct ?
1:- Herbicides are used for killing unwanted plants
2:- Nylon was first introduced as an early substitute for silk
3:- Excessive use of fertilizer is good for the fertility of soil
4:- cotton is am artificial fibre so almost pure cellulose

Answers

Answered by saieshkadam45623

1

Answer:

2 sentence and 4 sentence is right

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