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Explain the primary and secondary factors responsible for the formation of ocean currents.

Topic: Salient features of world’s physical geography.

2. Explain the primary and secondary factors responsible for the formation of ocean currents. (250 words)

Difficulty level: Easy

Reference: Insights on India

Why the question:

The question is part of the static syllabus of General studies paper – 1.

Key Demand of the question:

To bring out the factors responsible for formation and movement of ocean current.

Directive word:

Explain – Clarify the topic by giving a detailed account as to how and why it occurred, or what is the particular context. You must be defining key terms where ever appropriate, and substantiate with relevant associated facts.

Structure of the answer:

Introduction:

Begin by defining ocean currents.

Body:

Draw a small illustrative diagram showing major ocean currents.

Mention primary and secondary factors responsible for their formation – insolation, atmospheric circulations, gravity and the effect of Coriolis force, Temperature and salinity differences and water density etc.

Conclusion:

Summarize the importance of Ocean currents.