Multiple choice

Which of the following statements is/are correct?

a. The water in upper 200 m of the ocean constitutes the surface currents. b. Surface currents constitute about 10 percent of all the water in the ocean. c. Currents in deep waters move around the ocean basins due to variations in the density and gravity.

  1. a only

  2. b only

  3. c only

  4. b and c

  5. a, b and c
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer.

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