29-11-2017
Chemistry

contestada

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?

Respuesta :

devinmastropole1 devinmastropole1

04-12-2017

it must be helium or carbon dioxide. I say co2

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tahiemr tahiemr

14-05-2020

Answer:

For usatestprep its D

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.

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