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the volume before adding the water is 20ml and when we added the marbles is was 26ml so then you subtract the two answers. so the volume of the marbles are 6ml.

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1. Volume before adding marbles.
2.put the marbles in the cylinder and recored it on the paper.
3. find the difference of the two measurements

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The purpose of the lab is to find out what the difference when you add marbles.

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The amount of space an object occupies.