Can someone me really quickly? ?
one group of gases responsible for destroying ozone in the ozone layer is
a. carbon monoxide and carbon dioxide
b. nitrogen oxides and sulfur oxides
c. cfcs
d. automobile emissions

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

Most of the volume of an atom is occupied by the