The correct answer is D. Mercury.
Cinnabar is a mineral that is the primary ore of mercury. It is a red or reddish-brown mineral that is found in veins and deposits in volcanic rocks. Cinnabar is a very important mineral because it is the only source of mercury. Mercury is a metal that is used in many different industries, including the chemical industry, the electronics industry, and the mining industry.
Lead is a metal that is found in the Earth’s crust. It is a soft, malleable metal that is used in many different industries, including the construction industry, the automotive industry, and the battery industry. Manganese is a metal that is found in the Earth’s crust. It is a hard, brittle metal that is used in many different industries, including the steel industry, the chemical industry, and the battery industry. Molybdenum is a metal that is found in the Earth’s crust. It is a hard, strong metal that is used in many different industries, including the steel industry, the electronics industry, and the aerospace industry.