Air pollution is a problem. It comes from traffic and factories as well. If we don't stop it we will end up without oxygen.
There is a lot of traffic on our roads because there are too many cars.
There are also too many factories in our planet. We can also think more carefully about recycling the organic from the not organic.
There is a lot of traffic on our roads because there are too many cars.
There are also too many factories in our planet. We can also think more carefully about recycling the organic from the not organic.
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