The correct answer is: D. Aluminium
Bauxite is an ore that is primarily composed of aluminium oxide. It is the main source of aluminium, which is the third most abundant element in the Earth’s crust. Aluminium is a lightweight, strong, and corrosion-resistant metal that is used in a wide variety of products, including aircraft, automobiles, building materials, and electronics.
Silver is a precious metal that is used in jewelry, coins, and electronics. Copper is a reddish-brown metal that is used in electrical wiring, plumbing, and coins. Manganese is a grayish-black metal that is used in batteries, steel alloys, and fertilizer.
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