The answer is burning coal! Please forgive me if I get this answer wrong!
Answer: It is <u>D. Stabalizing</u>
Explanation:
I took the test and because the apples of both ends are being eliminated while the ones in the middle are being kept and increasing.
It's when you strand generic materials
Geology is a branch of natural science that studies rocks, how they form, etc.
This field of study enabled us to know the age of Earth, the different layers that make up earth amongst many other things.
Hope it helped,
BioTeacher101
(If you have any questions, feel free to ask them in the comments)