Final answer:
The word 'effluent' means 'flowing out', usually referring to sewage or waste water discharged into a body of water. It is often confused with 'affluent', which means rich or wealthy. option (D)
Step-by-step explanation:
You are asked to identify the word that means 'flowing out'. Among the given options - affluent, effluent, opulent, and resilient - the correct answer is b) Effluent. Effluent specifically refers to liquid waste or sewage that is discharged into a river or the sea. The word affluent, despite sounding similar, actually means wealthy or rich. Option c) Opulent also relates to wealth, implying a lavish or rich display. Option d) Resilient, on the other hand, refers to the ability to withstand or recover quickly from difficult conditions.