How can avoid air pollution?
By afforestation
By deforestation
By recycle and reuse as mush waste as we can
by avoiding throwing trash such as, empty cans, bottle or wrappers onto the ground.
Pollution is classified into:
One
Two
Three
Four
What causes storms?
Slow wind with rains
Strong winds with thunder and rains
Dark clouds and rains
Heavy rains
Air supplies us with:
Hydrogen
Carbon
Oxygen
Nitrogen
Which statement is true?
Air takes up space
Air does not take space
Air does not have weight
Air cannot move things
Air is a mixture of many:
Gases
Dust
Germs
Vapour
A very strong wind is called a:
Storm
Wind
Breeze
Hurricane
Air pollution occurs:
When dust particles, fumes or odour are introduced into the atmosphere
By the dust particles in the air
By the gases present in the air
By the human waste
How is wind produced?
When Sun rays are blocked by the clouds
When cool air rises up
When water vapor in the air rises up
When hot air rises up
Wet clothes dry more quickly in the heat due to:
Condensation
Perspiration
Evaporation
Heating
