Q: 82 (IAS/2002)

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Consider the following statements:
1. Ocean currents are the slow-surface movement of water in the ocean.
2. Ocean currents assist in maintaining the Earth’s heat balance.
3. Ocean currents are set in motion primarily by prevailing winds.
4. Ocean currents are affected by the configuration of the ocean.
Which of these statements are correct?
question_subject: 
Geography
question_year: 
2002
question_exam: 
IAS
question_sub_subject: 
Physical Geography
question_topic: 
Hydrosphere
stats: 
0,2624,3288,408,2624,336,2544