What are three machines that depend on gravity to work

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

Which transition by an electron will release the greatest amount of energy? oa ob oc od

The process of a material going through a change of state from a gas to a liquid