Which describes step three of a muscle contraction?

Where is the energy in a sucrose molecule stored? o a. inside the hydrogen atoms o b. inside the carbon atoms o c. in the bonds between the atoms o d. inside the protons

All phases of matter may have a fixed mass

The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old