I’ll help in a bit, let me find my assignment or key answers I got for this
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.
16.their
15.he's pointing out that the fight for equal rights is the work of all citizens of a free society
18.thoughtful reflection
What? Is there a question to answer here?