if there is a duck behind two ducks and a duck between two ducks and a duck in front of two ducks how many ducks are there? look carefully

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

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