sarahnd6907
30.06.2019 •
Chemistry
Which of the following is an example of how a scientist might use a model? a) a stopwatch is used to time the rate of a chemical reaction b) the end of a slinky is moved vertically up and down to simulate a wave c) a microscope is used to magnify a group of cells on a slide d) a wrench is used to tighten a nut onto a piece of wood p.s.- this is science not chemistry
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Ответ:
Ответ:
C meteoroid
Explanation:
Meteoroids are the only ones of the four that are under a kilometer in size.