Volumes.
If you put equivalent volumes in a bag, where both weigh the same, the density might get equal.
Hope it helped,
Happy homework/ study/ exam!
I think the correct answer from the choices listed above is the third option. When ATP is hydrolyzed energy is not stored. Rather, it is released. Hope this answers the question. Have a nice day. Feel free to ask more questions.
They build up Muscle Tissue :)