Andhra Pradesh has significant deposits of this rare earth mineral:

The correct answer is: (d) Neodymium.

Neodymium is a rare earth metal that is used in a variety of applications, including permanent magnets, alloys, and catalysts. It is the most abundant of the rare earth metals, and India is one of the world’s leading producers of neodymium.

Thorium is a radioactive metal that is used in nuclear power plants. Uranium is another radioactive metal that is used in nuclear power plants and nuclear weapons. Lithium is a soft, silvery-white metal that is used in batteries and other applications.

Here is a brief description of each option:

• Thorium is a radioactive metal that is found in nature. It is used in nuclear power plants and nuclear weapons. Thorium is not a rare earth metal.
• Uranium is a radioactive metal that is found in nature. It is used in nuclear power plants and nuclear weapons. Uranium is not a rare earth metal.
• Lithium is a soft, silvery-white metal that is found in nature. It is used in batteries and other applications. Lithium is not a rare earth metal.
• Neodymium is a rare earth metal that is found in nature. It is used in a variety of applications, including permanent magnets, alloys, and catalysts. Neodymium is the most abundant of the rare earth metals, and India is one of the world’s leading producers of neodymium.