What light property is the most instrumental in designing eyeglasses ?

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

Which describes increasing the efficiency of energy resource

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine