Chemistry, asked by naylanaaman, 1 year ago

a traffic policeman always wears a mask on his nose .why

Answers

Answered by Anonymous
18
as there is a lot of pollution that's y da traffic police wear that mask on his face 
Answered by Anonymous
28
AS THE VEHICLES MAKE A LOT OF POLLUTION . THEY RELEASE CARBON MONOXIDE . IT IS NOT GOOD FOR US .IF HE BREATHE IT, HE GET  CANCERS ETC . THAT'S WHY TRAFFIC POLICE WEAR MASKS
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Anonymous: I ASKED MY MOTHER WHICH GAS DO VEHICLES RELEASE THAT'S IT
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