Question

9. The composition of wool fibre has elements
(a) C, N, O and H
(c) C, N, S and O
(b) C, N, O, H and S
(d) C, N, O and S​

Answer 1

Answer:

The correct option is (b).

Explanation:

Mark this as brain list answer

Answer 2

hey your answer is that u can solve it easily