Early models of our solar system were usually based on experimentation the best science of the time the discoveries of the best scientists philosophy and religion

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

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?