Упр.11 Unit 4 Секция 2 ГДЗ English Михеева 8 класс

1. Say what is pollution and why it can be dangerous.

Pollution is the contamination of the environment by harmful substances, such as smoke, waste, chemicals, and dirty water. It can be dangerous because it harms people’s health, poisons animals and plants, and damages air, water, and soil. Pollution can also lead to serious diseases and make the Earth less safe for living.