Crystal-clear wonder. Tanya Akulich Vadim Kozlov Nastya Kraskova School №21 8 « A ». Yaroslavl 2013. Aims of the project. to learn more about world water resources to find out how much water people use a day. 70 % of the Earth - sea water
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School №21 8 «A»
1.How much water is required for washing?2.How much water is required for cooking?3. How much water is required for household needs?4. How much water is required for washing dishes?5. How much water is required for drinking?