Question

hair is mainly for
a)differentiation of sex
b)protection
c)trap layer of air
d)beautify the body​

Answer 1

Explanation:

:) ...protection is correct

It protect from ultra violet ray..

Answer 2

Here is mainly for the protection.

(Option B)

• The hair is basically a protective layer for the external surface of our body.

• In the bodies of early men there was a lot of hair which acted as a protection against the environmental temperature.

• But,for the modern human the hair mainly grows on the head which acts as a protective layer against the environmental UV radiation.