Where Does Earth Get Its Energy?

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Where Does Earth Get Its Energy?
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1. Solar Radiation

• Radiant energy from the sun heats the earth, its
  atmosphere, and its oceans.

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2. Earths Primitive Heat

• The core and mantle of the Earth are still hot
  from the origin of our planet.

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3. Radioactive Decay

• Radioactive elements create heat as they decay.

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4. Energy From Civilization

• We burn oil, coal, gasoline, and natural gas to
  produce energy.

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