Question

why we nedd water and we we are in earth​

Answer 1

Answer:

Flowing life

In this regard, water is essential simply because it's a liquid at Earth-like temperatures. Because it flows, water provides an efficient way to transfer substances from a cell to the cell's environment.

Answer 2

All animals and plants need water to survive, and the human body is more than three-fourths water. Life-forms use water to carry nutrients around the body and to take away waste. Water also helps break down food and keep organisms cool, among other very important jobs.