Lamont has a dark container. He knows that the container has a mass of 2.0 g when it is empty. He cannot see inside the container. However, he is able to use a balance to determine that the container has a mass of 2.7 g. What can Lamont conclude about the container?

Question

It contains a solid.
It contains matter.
It contains energy.
It contains a liquid.
I think D.

Answer 1

It's B

Answer 2

I agree with San.

Answer 3

It contains matter.

Answer 4

I think A

Answer 5

I mean B