What does standard deviation reveal about data? a. the average of all the data points b. which of the data points is most reliable c. how spread out the data points are d. the percent error included in the data

What must occur for air masses to form fronts

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?