Question

ozone is deadly poisonous still it performs an essential function.

Answer 1

Ozone is deadly poisonous still it performs an essential function
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1)it protects us from the harmful UV radiations from the sun which may cause various diseases 

2)it helps in trapping of heat which makes earth suitable for life

3)ozone is made up of 3 oxygen atoms 

Answer 2

The Ozone is deadly poisonous still it performs an essential function because :-

1> It prevents us from harmful ultravoilet rays coming from sun .

2> It prevents extra heat and harmful rays from out side of earth coming to earth.

Hope it will help u ...

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Best of luck ;)
ROYALJATT