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Praxis II General Science

Category - Major Ideas

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The term light year is often used in physics to represent:

Distance.
Force.
Power.
Time.
Heat.

Explanation

Answer: D - A light year is used to represent distance, and is the distance that light travels over the course of a year (very far). 1 light year is equivalent to 9.4605284 × 10¹² kilometers.

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