Question

Veifey 2 upon 5 multiple minus 3 upon 7 minus 1 upon 7 minus 3 upon 7 multiple 3 upon 5

Answer 1

Answer:

pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog.

Answer 2

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