Geologists have divided earth's history into time units, which are largely based on
a. climates.
b. magnetism in rocks.
c. evidence of erosion.
d. fossils

Geologists have divided Earth's history into time units, which are largely based on D) fossils. 

It is most likely d, asians.

Although this may be the opposite of what you think i will say it anyway. you were brought into this world for a reason and you still have soo much ahead of you. not everybody has an opportunity of living a great life, but it doesn’t give you a reason to end everything. somebody in the world loves you, and imagine what you would do to them if you left forever.