Iron is extracted from A. Cinnabar B. Haematite C. Bauxite D. Dolomite

Cinnabar
Haematite
Bauxite
Dolomite

The correct answer is B. Haematite.

Haematite is a mineral that is composed of iron oxide. It is the most common iron ore and is used to extract iron. Iron is a very important metal that is used in many different industries, including construction, manufacturing, and transportation.

Cinnabar is a mineral that is composed of mercury sulfide. It is not used to extract iron.

Bauxite is a mineral that is composed of aluminum oxide. It is used to extract aluminum.

Dolomite is a mineral that is composed of calcium magnesium carbonate. It is not used to extract iron.