Question

The Gypsum Hills are how hills capped with layers of ____________, a white mineral used to make plasters and cement.

Answer 1

The correct answer is gypsum.

Indeed, as the name indicates it, gypsum is used in the production of plaster, fertilizer, soil conditioner, cement, food additives, etc.

Gypsum has been used for millennia in China as an ingredient of traditional Chinese medicine and in the Middle Ages as a component of gesso (a white paint used for artworks of several kinds).