The top layers are the youngest and the farther you go down, the older they get. I’ll put it in exact order in a minute.
Answer:
i think it might Be B. but im not 100% sure but it seems to be the only logical one
Explanation:
I have done GCSE sciences and also applied science a level so I could probably help you :)
The answer for the first one is the first row
TT, to, GG, gg
