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4 votes
Leslie is observing the air in a balloon. She wants to know if the air in the balloon is matter. What must be true of the air for it to be matter?

2 Answers

4 votes
it must be helium or carbon dioxide. I say co2

answered
User Nick Settje
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8.6k points
5 votes

Answer:

For usatestprep its D

Step-by-step explanation:

It must have mass and volume. The air in a balloon has mass. it can be observed by placing balloon on a balance before and after blowing it up. You can see the volume of the air in the balloon when it is blown up.

answered
User Thomas Zoechling
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8.5k points

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