Multiple choice

How can the potential energy in coal provide energy that is useful to humans?

  1. by enriching soil

  2. by converting into electrical energy

  3. by providing a renewable source of energy

  4. by preventing natural disasters
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coal is a fossil fuel that contains stored chemical energy. When burned, this energy is released as heat, which is used to boil water, create steam, and turn turbines to generate electricity.

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