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Earth and Human Activity: Resources
Sources of Energy
Description
Sources of Energy
Energy is involved in almost everything that happens around us—it makes things move, powers machines, lights up cities, and helps us cook and stay warm. The ultimate source of almost all energy on Earth is the Sun, which drives weather systems, ocean currents, and powers solar ...
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Transcript
Everything that happens on Earth involves energy. Energy can produce motion, changes in matter, light, or sound
But where does this energy come from? It often starts with fuel. Fuels are materials that store energy and release it through chemical changes.
Food is fuel for living things, providing energy to grow and move, while gasoli...
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