Question

. Write a letter to the Director of Education, Education Department, Delhi, stressing the need for starting
integrated science faculties in a cluster of ten schools throughout Delhi.​

Answer 1

Explanation:

Air 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. Some air pollutants are poisonous.