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