As much as 60% of the human body is water. The brain is 70% water. The lungs are nearly 90% water. We are made of water and we can’t survive without it. But the water we need also must be clean. Water and wastewater tr - Pichavaram - Document - PDFSEARCH.IO

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	As much as 60% of the human body is water. The brain is 70% water. The lungs are nearly 90% water. We are made of water and we can’t survive without it. But the water we need also must be clean. Water and wastewater tr Add to Reading List Open Document File Size: 43,19 KB Share Result on Facebook

As much as 60% of the human body is water. The brain is 70% water. The lungs are nearly 90% water. We are made of water and we can’t survive without it. But the water we need also must be clean. Water and wastewater trAdd to Reading List