Q: What is the generation of electricity using photovoltaic cells to split water molecules called? Choices: - hybrid electricity - aqua-electricity - photovoltaic cells - photoelectrolysis A:
photoelectrolysis

(Question)
Q: Do particles collide more in two reactants when they are both in fluid forms or solid forms? Choices: - plasma - neither - solid - fluid A:
(Answer)
fluid

Ques: Q: Chemical energy is another form of which energy? Choices: - heat energy - nuclear energy - mechanical energy - potential energy A:
Ans: potential energy

(Q).
Q: What orifice in the body is particularly helpful in both digestion and respiration? Choices: - nostril - nose - anus - mouth A:
(A).
mouth

Ques:Q: What are the two major atmospheric gases? Choices: - carbon and helium - nitrogen and hydrogen - hydrogen and oxygen - nitrogen and oxygen A:

Ans:nitrogen and oxygen

Q: The total number of protons and neutorns in an atom is called what? Choices: - atom number - volume number - formation number - mass number A:
mass number