In molluscs, body is covered with external skeleton made up of

Question

In molluscs, body is covered with external skeleton made up of (A) Spongin fibres (B) Chitin (C) Calcium carbonate (D) Calcium silicate

Tardigrade Admin · Accepted Answer

In molluscs body is covered with external skeleton made up of calcium carbonate.

Q. In molluscs, body is covered with external skeleton made up of