Which elements do hydrogen fuel cells combine to produce electricty

Abird sitting high in a tree is an example of what type of wnergy

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

Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)