Question

- Raincoats are made of wool.
Answer the following questio
- How does roughage help us?
b- What are natural fibres?
C- What are synthetic fibres?
d- What is melting?
What is transpiration?​

Answer 1

Natural fibers or natural fibres (see spelling differences) are fibers that are produced by plants, animals, and geological processes. They can be used as a component of composite materials, where the orientation of fibers impacts the properties.

Answer 2

Answer:

(1) raincoat is not made up of will because it do not reject the whole water in it.

(b) the fibres which is obtained from nature is called natural fibre.

(c) the fibres which is made by mans is called synthetic fibre.

(d) any substance which change its physical property but not change its chemical property on heating Is called melting.