Speed = 17.2 m/s...................
If later is was 100 million years ago, later b would be 200 million years ago (because it is 100millions years prior to a). And therefore layer c must b 300 million years ago.
Autographs are plants so they get their energy from the sun. Answer is B. Sun
I am pretty sure that 76 meters is the answer.
Answer:
it also can provide good fertilizer as well
Explanation: