gothgirl311192 gothgirl311192

23-08-2017
Biology

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which of the following is an example of how a scientist might use a model?

marbles place inside a hollow sphere are used to describe protons in nucleus

a wrench in used to tighten a nut onto a piece of wood

microscopes are used to magnify a group of cells on sets of slides

stopwatches measure the amount of time it takes for runners to complete a mile

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puppylove843265 puppylove843265

23-08-2017

The first one is the answer

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