Question

21. What happened when wool
fibre is burn :
it produces a sizzling noise
O it Smells like burning hair
Olt curls away from the flame
O all the above​

Answer 1

Answer:

it smells like burning hair

Explanation:

Don't mark me as the brainliest

please mark me as the brainliest

Answer 2

Hey mate.

When wool is burned, it burns with a smell of burning hair.

Please mark it as brainliest.