Answer:
The hard parts are preserved.
Step-by-step explanation:
Clam is the common name given to several species of bivalve molluscs of the order Veneroida, namely those belonging to the Lucinidae, Cardiidae and Veneridae families. Many are used in human food, in addition, the hard parts are preserved and used later.
The clam has thirty percent more protein than the mussel, another very popular seafood worldwide.