Air is present :
In the atmosphere
In the sky
In the clouds
Everywhere
Which of the following is very hot?
Winter
Summer
Spring
Why do we feel uncomfortable in a crowded room?
We need air to make a fire .
We need smoke to make fire
All of the above
None of these
We need air to :
To blow a balloon
To blow a ship
To move a car
To move a bus
We need air to make a:
Fire
Smoke
Air supplies us with :
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 the water bodies.
Which of the following should be built far away from the homes to keep air clean?
Stationary stores
Godowns
Factories
All plants and animals need:
Air
Both a and b
The flame of a candle goes of when covered with a glass because :
There is no light.
The air does not reach the flame.
The air get trapped inside the glass.
There is no space inside the glass.
