Question

difference between local source of water and natural source of water​

Answer 1

Answer:

There are more than 5 sources of water and the conventional sources are listed first.

Oceans and Seas (marine): saline or salty water that comprises the 7 seas and ocean(s) and cover 71% of the earth. The concentration of salt in seawater (salinity) is about 35 parts per thousand. This is the largest water source with an estimated volume of 1.332 billion cubic kilometers.

Rain Water: when evaporated water cools and coalesces in the atmosphere, it falls back to earth in the form of rain. Cisterns and barrels were used used for ages to catch this fresh water, however air pollution has changed the quality of the water around the world. The pH can vary depending on contaminants present in the air from 4.5 to 7.7. Very low pH produces acid rain.

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