Dust and smoke are ______ for health.
Good
Perfect
Bad
Sometimes good
We get fresh air
From gardens
Near factories
Near bus station
None of these
Why is it necessary to breathe in fresh air?
Fresh air is needed to be healthy
Fresh air is needed to sleep
Fresh air is needed to digest
Which one of the following is correct?
Air cannot move
Air has color
Air can move
All the above
Wind is used to generate
Battery
Chemicals
Electricity
Biogas
Wind that blows strongly is called
Breeze
Storm
Tide
Air has no color
Water joins the air in the form of
Ice
Vapour
Glacier
Moving air is called
Wind
Gas
Water
Which type of wind is strong ?
Chinook
Marin
Typhoons
Bora