Question

where does air pollution in the cities mostly come from?

why should we solve ecological problems as soon as possible​

Answer 1

Ответ:

1. This is due to the fact that today, with the development of technology, smoke from factories and plants pollutes the air

2. Because there is a danger. And if we regulate the improvement of the ecological situation, it can be a catastrophe and it is very dangerous

Объяснение:

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