Why is water essential to life?
4 answers
because your body is 60% water.
http://astrobiology.nasa.gov/ask-an-astrobiologist/question/?id=178
because you need water to live to keep you hydrated
Because not only is your body 60% water but also with out water plants can not grow and with out plants their is oxygen meaning no life on earth. plus with out water we would become dehydrated and die.