Respuesta :

Answer: Only 10 percent of energy in a light bulb is used to create light. ...

The amount of energy Americans use doubles every 20 years. ...

Explanation:

Fact 1: Refrigerators in the U.S. consume about the same energy as 25 large power plants produce each year.

Fact 2: From 2008 to 2030, world energy consumption is expected to increase more than 55%.
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