Energy
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Energy is the ability to do work or to produce change. It exists in various forms such as kinetic, potential, thermal, chemical, electromagnetic, and nuclear energy. Energy is essential for all processes in the universe, from powering vehicles and machines to supporting life on Earth. It can be converted from one form to another, but it cannot be created or destroyed, according to the first law of thermodynamics. Energy plays a crucial role in our daily lives and in the functioning of the natural world.