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

Para identificar las tormentas, debemos tener en cuenta que:To identify thunderstorms, bear in mind that:

Show the answer

Correct answer: b) They form by contrast when the lower layers hold warm air with considerable moisture, with layers of cold, dense air above them.

Why it is correct

Warm, moist air below and cold air above: instability.

Why the others are not

  • a) They come from vertically developed clouds.
  • c) Updraughts feed the rain; when they fade, the storm dies.
  • d) They have stages: cumulus, mature and dissipating.

How to work it out in the exam

  1. Thunderstorm: unstable air and cumulonimbus.

Where this question comes from

Try it: Weather visuals

Pending instructor review. Machine translation, not reviewed.