Question

3. Many bacteria are so___ small we need a microscope to actually see them

•infinitesimally

•phlegm

•hierarchical

•abrasive

Answer 1

A, infinitesimally

Explanation: According to the Oxford Dictionary, 'infinitesimal' means "extremely small." Since bacteria are really, really tiny, this would be the most logical answer.

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Answer 2

Answer: infinitesimally

Explanation: infinitesimally means really really small.