Some chemicals change when they react. what’s c stand for?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

How does a noncompetitive inhibitor reduce an enzyme’s activity?