Answer:
Holocene
Step-by-step explanation:
The Holocene began 11,700 years ago after the last major ice age.
Your answer would be 2x^2=4x
also I have a question I need help with, would you mind?
To get this, take 0.10 x 145 = 14.5
angles in a triangle need to equal 180 degrees
so x = 180 - 47 - 58
x = 180-105
x= 75 degrees