(Q).
Q: An aquifer is an underground layer of rock that is saturated with what? Choices: - ocean water - wastewater - oil - groundwater A:
(A).
groundwater

(Q).
Q: Pure constructive interference and pure destructive interference are distinguished by whether or not identical waves are what? Choices: - before phase - in equilibrium - after phase - in phase A:
(A).
in phase

(Q).
Q: Monoecious flowers are also known as "perfect" flowers because they contain both types of what organ? Choices: - vascular organ - respiratory organ - phloem - sex organ A:
(A).
sex organ