Q: What is another name for mother of pearl?


Read this paragraph and choose the correct option from the provided answers:

Mother of pearl is also known as nacre. Nacre is the iridescent inner shell layer. It can be found in buttons, watch faces, knives, guns, and jewelry. It is also used to decorate various musical instruments.

 Choices:

- pigment

- enamel

- calcium

- nacre


A:
nacre