(Q).
Q: What is a common condition caused by stomach acid? Choices: - arthritis - headache - sunburn - heartburn A:
(A).
heartburn

(Q).
Q: Energy often changes between potential and what other kind of energy? Choices: - magnetic - thermal - realized - kinetic A:
(A).
kinetic

(Q).
Q: What is defined as a saturated layer of rock or soil? Choices: - river bank - artesian well - culvert - aquifer A:
(A).
aquifer