A. Aluminium
B. Carbon
C. Iron
D. None of these
🧠 Explanation:
Diamond is a crystalline form of carbon, known for its hardness and brilliance. Formed under high pressure and temperature in the Earth’s mantle, diamonds are valued in jewelry and industry for their durability. Their unique structure, with carbon atoms arranged in a lattice, gives them unmatched strength. Understanding diamonds is key in geology and materials science, as they reveal Earth’s processes and have applications in cutting tools and technology. Their cultural significance as symbols of wealth makes them a fascinating study in economics and societal values.
