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Hover or tap underlined Spanish terms to see their translation and exam tip.

Con respecto a las corrientes marinas marque la opción correcta:On ocean currents, mark the correct option (gradient, drift, thermohaline):

Show the answer

Correct answer: c) Gradient currents come from pressure differences between two areas.

Why it is correct

Gradient currents come from pressure differences. Drift is from wind, thermohaline from density.

Why the others are not

  • a) Tide.
  • b) Drift.
  • d) Reversed.

How to work it out in the exam

  1. Gradient: pressure.

Where this question comes from

Try it: Weather visuals

Pending instructor review. Machine translation, not reviewed.