In the Bohr model, what holds the electron in orbit? Select one:
a. a gravitational force
b. the energy of the sun
c. the attraction of the positive proton and negative electron
d. the track that is laid out around the nucleus

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

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