20........................
Answer:
transgression
Explanation:
In this case we will have deeper sea sediments (shales and limestones) being deposited on top of continentally-derived beach sediments (sand). This forms a sequence (from bottom to top) of: sand to shale to limestone. This is an indication of marine transgression
I think the answer is A.
But correct me if I’m wrong
I hope this helps :)
Answer:
100% sure it's A, a crack forms in oceanic crust
Explanation:
It happens in the following order-
1. a crack forms in oceanic crust
2. molten rock rises up through oceanic crust
3. molten rock solidifies at the center of the ridge
The study of governments and their boundaries is called political geography.