Question

which layer of gas act as the protective shell​

Answer 1

$\mathfrak{\huge{\green{\underline{\underline{Answer :}}}}}$

The ozone layer of the atmosphere protects life on earth by filtering out some of the harmful ultraviolet (UV) radiation from the sun. Thinning of this layer therefore poses a threat.

Answer 2

Answer:

ozone layer is the layer of ozone gas ($O_{3}$) which protects the earth from the harmful radiations of the sun by forming a protective shell