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.
I’m sorry i thought this was géographie
the answer to your question is called a destructive plate boundary. this is when the more denser plate goes underneath the lesser dense plate.
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I think the answer is D good Day now it’s D for sure have a good day