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Why is it that we can see blood cells only with a microscope? A) The cells form clumps. B) The cells keep moving about. C) The cells have different shapes. D) The cells are very small in size.

2 Answers

1 vote
The answer is D
cells are so small they cannot be seen with the naked eye

User Asher Hawthorne
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6 votes
D the cells are very small
User Chris Feist
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