Answer:
Water purification, process by which undesired chemical compounds, organic and inorganic materials, and biological contaminants are removed from water. Water purification provides clean drinking water and supplies treated water for domestic, industrial, medical, and pharmacological uses.
Explanation:
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Answer:
Explanation:
To solve for r, simply means to isolate the variable:
The inverse of multiplication is division, so divide both sides by pi and h
The nervous systems sends electric charges through your body which moves other stuff around
Some minerals can form from the air combining with substances, they can form from igneous rock, and sometimes minerals can re crystalize from metamorphic rock
