In the investigation where we combined the bath bomb with water, we saw bubbles forming but we did not see an increase in the overall
mass. This happened because.
a - In a closed system, no matter can get in or out so the mass stays the same.
b - In an open system, no matter can get in or out so the mass stays the same.
c - All matter is made of small particles that are too small to be seen.
d - Matter has mass and takes up space. (not this one)
Answers: 3
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