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Subjects
Science CBSE
Class 6
Air around us
Textbook questions
11.
Intext question I
Exercise condition:
2
m.
Boojho is asking you, why do you think, the policeman in figure is wearing a mask?
Policeman wearing a mask
The traffic policeman wears a mask at the crossroads of a crowded city to
open
beautify
prevent
themselves from the
harmful gases
aromatic gases
poisonous gases
emitted by the vehicles.
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