Humans and animals breathe in ______________.
Oxygen
How can we reduce the use of personal cars?
Encourage people to use more public transport
Raise awareness and do not burn trees, are __________________.
Ways to solve air pollution
__________ send smog into the air causing acid rain.
Factories
“Make laws to control factory works” is one of the _______________________.
Ways to solve air pollution
Volcanic eruptions are _________ __________ that cause air pollution.
Natural events
Other things in the air make up _______ percent of the air.
0.96
Water vapor is a component of ___________.
Air
What percentage of the air is oxygen?
21%
Dust is a ____________ found in air.
Pollutant
Most air pollution comes from ________________________.
Human actions
We should not burn garbage because it __________________
Gives off toxic smoke
Plants use ________________ to make their food through photosynthesis
Carbon dioxide
Burning of fuel in engines give off ______________________.
Carbon monoxide
The air that is everywhere is called?
Earth’s atmosphere
Why should we plant trees?
Because trees help clean the air.
0.04% of the air is made up of?
Carbon dioxide
Air is important to all ___________________.
Living things
78% of the air is ______________.
Nitrogen
The dust, soot, and smoke in the air is called ___________________.
Air pollution
The air around us is made up of _____________________________.
Gasses and other components
_______________ dilutes oxygen in the air, making it good for living things.
Nitrogen
Smoke, ash, and many gases like carbon monoxide and sulphur dioxide are sent into the air by _________ ___________.
Volcanic eruptions