Answer:
Read it and give recommendations
Explanation:
To make a movement with your head kind of bobbing down? In the sign of disagreement/agreement
I will go with b if i was you
Bivalves, compressed bodies enclosed by a shell consisting of two hinged parts. Bivalves include clams, oysters, cockles, mussels, scallops, and numerous other families that live in saltwater, as well as a number of families that live in freshwater.
