Which of the following is NOT a form of renewable energy?

Nuclear energy is not considered a form of renewable energy because it relies on finite resources, specifically uranium or plutonium, which are mined from the Earth. Once these resources are extracted and used in nuclear reactors to produce energy, they cannot be replenished on a human timescale. In contrast, renewable energy sources such as wind, solar, and geothermal rely on natural processes that are continuously replenished. Wind energy harnesses the kinetic energy produced by wind currents, solar energy captures sunlight, and geothermal energy utilizes heat from the Earth's interior. These sources are sustainable and can be utilized indefinitely, making them integral to reducing reliance on fossil fuels and mitigating climate change.