Radio activity7: How is Radiation Used in Medical Treatment?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)