Which is the essential gas for all living things?
Hydrogen
Carbon
Nitrogen
Oxygen
How does air get polluted?
By dumping garbage in water bodies
By smoke from vehicles and factories
By chemicals getting thrown into the soil
By chemicals getting thrown into water bodies.
Which statement is true?
All storms are dangerous.
Only few storms dangerous.
Not all storms are dangerous.
Storms are not at all dangerous.
When is the air clean?
Morning
Afternoon
Evening
Night
The mixture of gases that makes up the Earth's atmosphere is called:
Water vapour
Air
Which breeze blows from the land towards the sea at night?
Land breeze
Sea breeze
Ocean breeze
Air breeze
The breeze that blows from the sea towards the land is the:
What is atmosphere?
Mixture of gases that surrounds the earth
Mixture of gases that surrounds the sun
Mixture of gases that surrounds the moon
Mixture of gases that surrounds the planets
What is formed when water vapor rises up in the sky?
Rain
Clouds
Breeze
Storm
Which is used to generate electricity?
Wind mill
Flour mill
Fan mill
Thermal mill
