Which statement best describes the principle of camera obscura

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Sarah and juan were running in the school track meet. the muscles in their arms and legs them run fast. other muscles that you cannot see were also at work. the most important muscles for this track meet were the muscles in their a) arms. b) eye. c) feet. d) heart.

Choose the inventions of the baroque era. eyeglasses mercury barometer harvester microscope pressure cooker printing press slide rule

Abelief about the attributes of members of a group of people is called?