Answer:
the younger rock is on the top because that is where the newer rocks form the older rock is on the bottom
Explanation:
For the first question, the age of each strip of rock is needed to determine the rate of seafloor spreading. The answer is B.
For the second question, the answer is A.
The answer should be C. I remember learning about this a few years back. I hope it’s right !
Its is called the control group
I think number one is b and number two is D.
I hope this helps!
