गहरी धाराएं सतही धाराओं से किस बात में अलग होती हैं?
How are deep currents different from surface currents?
Explanation opens after your attempt
A. वे मुख्यतः घनत्व अंतर से चलती हैंThey are mainly driven by density differences
Concept
Deep currents are mainly driven by density differences caused by temperature and salinity. Link surface currents with wind and deep currents with density in exams.
Why this answer is correct
The correct answer is A. वे मुख्यतः घनत्व अंतर से चलती हैं / They are mainly driven by density differences. Deep currents are mainly driven by density differences caused by temperature and salinity. Link surface currents with wind and deep currents with density in exams.
Exam Tip
गहरी धाराएं मुख्यतः तापमान और लवणता से बने घनत्व अंतर से चलती हैं। परीक्षा में सतही धारा को पवन और गहरी धारा को घनत्व से जोड़ें।
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