Importance of Water to Life

  1. Why is water important?
    1. Life probably evolved in water.
    2. Living cells are 70% - 95% water.
    3. Water covers about 3/4 of the earth.
    4. In nature, water naturally exists in all three physical states of matter -- solid, liquid, and gas.
    5. Life absolutely depends on the properties of water.
    6. Water's extraordinary properties are emergent properties resulting from water's structure and molecular interactions.