Q: Mammals belong to which class of vertebrates? Choices: - agnathas - chondrichthyes - placoderms - endothermic A:
endothermic

(Question)
Q: An atom that gains or loses electrons is called what? Choices: - photon - quark - isotope - ion A:
(Answer)
ion

Ques: Q: The process of photosynthesis ultimately gets powered by what kind of energy? Choices: - biofuel - electricity - nonrenewable energy - light A:
Ans: light

(Q).
Q: What is the best room in the home to start saving water? Choices: - the bedroom - the kitchen - the basement - the bathroom A:
(A).
the bathroom

Ques:Q: Hair sticks out from the epidermis, but it grows from the? Choices: - humus - fat - bone - dermis A:

Ans:dermis

Question: Q: Atomic orbitals from different atoms overlap to form what? Choices: - plasma orbitals - space orbitals - planet orbitals - molecular orbitals A:
Answer:
molecular orbitals