What do genetic mutations do?

When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition. A condition caused by mutations in one or more genes is called a genetic disorder. In some cases, gene mutations are so severe that they prevent an embryo from surviving until birth.

It should be cryosphere and hydrosphere

C. gemstones they are the only non metallic mineral from the list.