Упр.5 Юнит 5 Step 5 ГДЗ Rainbow English 7 класс

Say what is pollution and why it can be dangerous. Here are some ideas.

• to pollute the air, the soil, waters of lakes, rivers, seas and oceans
• to have problems with water, food, air
• to have much noise in cities
• not to have clean air especially in big cities

Pollution is when people pollute the air, the soil, and the waters of lakes, rivers, seas, and oceans. It can be dangerous because it causes problems with water, food, and air. There is also much noise in cities, and people do not have clean air, especially in big cities.