Solved UPSC CDS/OTA Question
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Q · OceanographyMedium · 45s
The process by which warm surface water is replaced by cold nutrient-rich water from deeper layers is known as:
TopicOceanography
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Upwelling occurs when wind drives surface water away from the coast, allowing deeper, nutrient-rich water to rise and support rich marine life.
Final Answer: Option C - Upwelling