Geography • Physical GeographyMedium
Consider the characteristics of ocean salinity: Statement I: Salinity is expressed as the total amount of dissolved salts in grams per kilogram of seawater. Statement II: Surface salinity is highest in equatorial regions due to intense evaporation exceeding precipitation. Which of the following is correct?
A. Both Statement I and Statement II are correct
B. Statement I is correct but Statement II is incorrect✓ Correct Answer
C. Statement I is incorrect but Statement II is correct
D. Both Statement I and Statement II are incorrect
💡 Solution & Explanation
Seawater salinity represents the total mass of dissolved solids in grams per kilogram of water, averaging about thirty-five parts per thousand globally. Statement II is incorrect because equatorial regions experience heavy daily rainfall and high cloud cover that lower surface salinity despite high evaporation rates. Highest surface salinities actually occur in subtropical high-pressure zones where evaporation vastly exceeds precipitation. Sodium chloride constitutes the single largest proportion of these dissolved salts.
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