Beach sand minerals in Tamil Nadu are important for extracting:

The correct answer is: d) All of the above

Beach sand minerals in Tamil Nadu are important for extracting titanium, thorium, and zircon.

• Titanium is a chemical element with the symbol Ti and atomic number 22. It is a lustrous, silvery-white transition metal that is chemically very reactive and has a high melting point. Titanium is the ninth most abundant element in the Earth’s crust, and it is the second most abundant metal after iron. Titanium is used in a wide variety of applications, including aerospace, automotive, construction, and consumer goods.
• Thorium is a chemical element with the symbol Th and atomic number 90. It is a radioactive metal that is found in nature. Thorium is used in nuclear power plants, and it is also used in some types of lighting.
• Zircon is a mineral that is found in beach sand. Zircon is a zirconium silicate, and it is used in a variety of applications, including jewelry, ceramics, and optics.

Beach sand minerals in Tamil Nadu are a valuable resource, and they are used in a variety of industries.