Question

Why is water is essential in earth ​

Answer 1

Answer:

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.

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Answer 2

Answer and Explanation:

Why is water essential for life?

Water is defined as an inorganic, transparent, tasteless, odourless, and colourless chemical substance. It is the main constituent of the earth’s hydrosphere. Water is considered to be an essential part of life because of the following reasons:

• Water is essential to life because all life forms are dependent on it.
• Life began in the presence of water.
• Water is the medium of life.
• It is the most abundant compound found in all organisms. It varies from 65 to 89 % in different organisms.
• Human tissues contain about 20 % water in bone cells and 85% in brain cells.
• Almost all the reactions of a cell occur in the presence of water.