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| You use __ liters of water if you leave the tap on when brushing your teeth. |
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| Your body consists of ___ % water. |
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| You need min. ___ liters of water a day to stay healthy and alert. |
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| The proces of making a car demands ________ liters of water to all processes. |
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| For 1,5 € you can fill your drinking bottle _____ times. |
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| ___ % of the earth is covered with water. |
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| ___ % of an elephants weight is water. |
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| The three forms of water are _____, _____ and _____. |
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