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.
<span>A tsunami can occur when there is vertical movement at a fault under the ocean floor.</span>
A good example of a centripetal force in political geography is: A powerful external threat.
Political geography can be defined as a subfield in geography that is focused on the study of boundaries, human government, divisions, and possessions of a nation, as well as outcomes of political processes in its states.
In Political geography, a centripetal force refers to the attitude that unifies the people living within a nation and it keep the nation together by stabilizing and strengthening it.
Basically, two good examples of a centripetal force in political geography are:
- A powerful external threat.
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