I mean I honestly do not know
Answer:
I don't know what is the answer
Explanation:
b
Answer:
I think it is B. medium tell me if I am wrong
Answer:
0 mya, 175mya, 250mya, 400mya
Explanation:
The substance which highest million year ago should be more in-depth in the soil hence 400mpa should occupy the highest depth below the ground.