Earth has several ideal features which enable it to support life. most important is the
a) gravitational force on earth.
b) existence of tectonic plates.
c) relationship between earth and its moon.
d) existence and amount of water on earth's surface.

Earth Has Several Ideal Features which enable it to support Life. (MOST) Important is the

D.) Existence and amount of water on Earth's Surface.

Explaining:All of the Answer's choices help Earth, in some way, to Support life.But Most important is the Existence and amount of the water on earth surface             
                                          Good Luck *-*

What? i don’t understand