I'm not 100% sure... but I would say B.
The correct answer C. Pectinoid is the most occurring fossil that is a bivalve. They are a superfamily of marine bivalve mollusks which includes scallops and oysters. Members of this family have a triangular resilium.
a divergent tectonic plate or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world.
Answer:
Pushing and pulling
Explanation:
We are on tectonic plates that pull, push, and crash into each other at various intervals everyday.