What happens to the ozone layer as humans use aerosols and other products that produce chlorofluorocarbons?

moves upward
increases
decreases
stays the same

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form