How does the tyndall effect identify colloid?

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

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both