Environment & Ecology · Ecology and Environment
Consider the following statements regarding water quality parameters: (a) Ocean water salinity is about 35 ppt. (b) Hardness is mainly due to calcium and magnesium ions. (c) Very hard water contains less than 75 mg/L CaCO3. (d) Increased salinity can result from seawater intrusion. Which of the statements given above are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(a), (b), (c) and (d)
- 2(b) and (d) only
- 3(a) and (c) only
- 4(a), (b) and (d) only✓
Correct answer
(a), (b) and (d) only
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