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

En un chubasco, dos masas de aire (una fría y otra cálida), están en equilibrio inestable cuando al ponerse en contacto una con la otra, la reacción térmica es tal que ... :In a squall, two air masses (one cold and one warm) are in unstable equilibrium when, on meeting, the thermal reaction is such that... :

Show the answer

Correct answer: c) An instability line will appear.

Why it is correct

The contrast forms an instability line with updraughts.

Why the others are not

  • a) They do not merge like that.
  • b) The instability grows.
  • d) What comes is gusty wind.

How to work it out in the exam

  1. Contrasting masses: instability line.

Where this question comes from

Try it: Weather visuals

Pending instructor review. Machine translation, not reviewed.