Question

Write a short note on Water Provision

Answer 1

Water supply is the provision of

Water by public utilities, commercial organisations, community endeavours or by individuals,usually via system of pumps and pipes. Irritation is covered separately.In 2010, about 87% of the global population had access to water supply through house connections or to improved water source, through other means than house,including standpipes, spring supplies and protected wells

Answer 2

Answer:

1. Water is an essential nutrient.

2. Human body contains about 65 - 70 % water.

3. 70 % of water is present by weight in every cell.

4. Blood - plasma has 90 % of water.

5. Loss of water or dehydration can cause problems with the functioning of cells and later on the body.

Explanation:

Weight by weight:

It's a concept in chemistry.

To find weight by weight, we use following formula :

Weight by weight

$= \frac{mass \: of \: solute}{mass \: of \: solution \: } \times 100$