The correct answer is: a) Uranium.
Uranium is a radioactive mineral that is found in rocks and soil. It is used to generate electricity in nuclear power plants. Andhra Pradesh is one of the states in India that has reserves of uranium.
Thorium is another radioactive mineral that is found in rocks and soil. It is not as widely used as uranium, but it has the potential to be used as a source of nuclear energy. Plutonium is a man-made radioactive element that is used in nuclear weapons. Radium is a radioactive element that is used in medical treatments.
Here is a brief explanation of each option:
- Uranium is a radioactive mineral that is found in rocks and soil. It is used to generate electricity in nuclear power plants. Andhra Pradesh is one of the states in India that has reserves of uranium.
- Thorium is another radioactive mineral that is found in rocks and soil. It is not as widely used as uranium, but it has the potential to be used as a source of nuclear energy.
- Plutonium is a man-made radioactive element that is used in nuclear weapons.
- Radium is a radioactive element that is used in medical treatments.