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Physics 15 Online
JKahn1123:

Eric wants to perform an investigation on red blood cells, but before beginning his investigation, he wants to learn more about them. Which of the following is an appropriate reference material that Eric could use to learn more about red blood cells? A. a science-fiction book about blood B. a friend from school C. a newspaper editorial D. a scientific journal

AlexanderV:

The answer would be D

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