nick313

03.01.2020 01:24

Английский язык

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We may take it for granted, but water is the most important resource on the earth. it covers 80% of the earth’s surface and it’s only substance that can be found naturally in three forms: solid, liquid and gas. water also makes up 66% of the human body and without it we can’t live more than a week. although water is the most common substance on the earth, we should use it carefully because only 1% is drinkable and 1/3 of all the people in the world can’t get enough clean water. today, we use 3 times more water than in 1950, and people in rich countries use 10times more than those in poor ones. so where does it all go? well, a single dripping tap can waste up to 7,600 litres of water in a year and a leaking toilet can waste about 260 litres in a day. at home, we can help by fixing broken taps and toilets. having showers instead of baths could save about 300 litres of water a week. we should also avoid using chemicals that pollute the water supply, because we can’t increase the amount of fresh water in the world. we can only change the way we use it. true false 1. water can exist in solid, liquid and gas forms. 2. 66% of the earth’s water is drinkable. 3. humans can live for seven days without water. 4. water is the most common substance on our planet. 5. people use 1/3 of the water on earth. 6. having baths instead of showers wastes water. 7. we shouldn’t use so many chemicals. 8. we can’t increase the water supply.