Read the text:
'Desalination facilities supply potable water to arid regions but generate hypersaline brine laden with treatment chemicals. Discharging this effluent directly into shallow coastal bays severely degrades benthic marine ecosystems.'
The author's primary focus in this passage is...
Answer and explanation
Correct answer: A. The ecological hazards posed by hypersaline brine discharge from desalination
- Step 1: While recognizing water supply benefits, the author underscores how toxic brine discharge damages benthic life. Step 2. The central focus is the environmental hazard of brine effluent. Answer: The ecological hazards posed by hypersaline brine discharge from desalination. Why not the others: The text highlights marine degradation, not cost-free technology or benign impacts.
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