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Which of the following processes is endothermic?
Photograph
An image created by capturing light on a light-sensitive surface, either digitally or on film.
Patent
The exclusive right granted to the inventor of something new and different to produce the invention for a period of 20 years in return for the disclosure of the invention to the public.
Radar
A detection system that uses radio waves to determine the range, angle, or velocity of objects.
Fluffy Dice
A pair of large, soft dice often hung on the rearview mirror of a car as a decoration.
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