Bank reconciliation statement , teacher , explain.​

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

State one important difference between a physical change and a chemical change?