Question

Why is water important

Answer 1

Water is one of the most important substances on earth. All plants and animals must have water to survive. If there was no water there would be no life on earth. Apart from drinking it to survive, people have many other uses for water.

Answer 2

$\Large {\bf{\red{Importance \:of\: Water }}}$

Explanation:

All cellular processes take place in a water medium. All the reactions that take place within our body and within the cells occur between substances that are dissolved in water. Substances are also transported from one part of the body to the other in a dissolved form. Hence, organisms need to maintain the leval of water within their bodies in order to stay alive Terrestrial life-forms require fresh water for thie because their bodies cannot tolerate or get rid of the high amounts of dissolved salts in saline water. Thus, water sources need to be easily accessible for animals and plants to survive on land.

Let us now try to summarize the role of water in nature:

• Water forms 60 - 90% of the cell contents.

• All cellular processes take place in water medium.

• It acts as a medium of transport in the body.

• It serves as a habitat for variety of organisms.

• It influences in regulating the climate of a place.

• It is used for drinking, washing, bathing and other household purposes.

• It is used in industries and nuclear reactors.

• It is used to disposed off excreta and organic wastes.

• The presence of water decides the number of individuals of each species.