CARING FOR OUR PLANET EARTH TOGETHER » Стр.186 (6)

Read the text again and complete the sentences with the words from Ex. 5. 1. Water is essential for people in more ways than you might think. 2. Fresh water is the water of ice gaps, glaciers, lakes and rivers. 3. Other sources of water contamination are the sewage, industrial waste water and domestic waste from cities and farms which are poured into our seas, rivers and lakes. 4. Evidence of contamination can be found everywhere.