In the process of getting energy to power your television, which of the following stages is the most energy efficient?

A. Thermal conversion of the energy from coal in the power plant
B. Burning the coal to run the power plant
C. Actually powering your television set
D. Transmission to your house
E. Mining the coal to run the power plant


Answer: C

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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Which of the following was the tragic example of naturalistic arguments used to promote racism?

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Where does the largest input of solar energy occur?

A. the North pole B. the South pole C. at 30° N D. at 30° S E. the equator

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