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

¿En qué capa de la atmósfera se produce la reflexión de las ondas hertzianas que se emplean para las radiocomunicaciones?In what layer of the atmosphere are the radio waves used for communications reflected?

Show the answer

Correct answer: c) Ionosphere.

Why it is correct

The ionosphere reflects radio waves.

Why the others are not

  • a) That is the weather layer.
  • b) That is a layer of the Earth.
  • d) That is not the layer.

How to work it out in the exam

  1. Iono: ions, which reflect radio.

Where this question comes from

Try it: Weather visuals

Pending instructor review. Machine translation, not reviewed.