Make a guess about what percentage of the human body is made up of water. Also, write down what you already know about the ways water keeps us alive.

Importance of water: Human body is composed of about 75% water.

1) Water allows our blood to flow through the blood vessels thus supplying the body with vital nutrients. Water also allows waste matter to be eliminated from the body through the excretory system.

2)Water is used for drinking, washing, cleaning, etc.

3) Water acts an important agent in soil formation.

4) Water provides habitat to many organisms on earth.

a time line cause it goes from 685 to 978

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !