Look at our earth!
In our daily life, what kind of pollution can you think of?
What has caused each kind of pollLook at our earth!
In our daily life, what kind of pollution can you think of?
What has caused each kind of pollution?
serious pollution
We are harming our planet in so many ways.
伤害
air pollution
noise pollution
water pollution
Factories pour dangerous gases into the air.
Air pollution
Cars also pour dangerous gases into the air.
cars
smoking
Some people smoke in public places.
Noise pollution
building houses
loud music
mobile phones
planes
Water pollution
factories
rubbish
littering
ships
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