Hover or tap underlined Spanish terms to see their translation and exam tip.
Sobre la atmósfera, marque la opción correcta.On the composition and structure of the atmosphere, mark the correct option:
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Correct answer: d) None of the above answers is correct.
Why it is correct
The first three are false: water vapour varies widely, decreases rapidly with height, and the two main gases are nitrogen (78%) and oxygen (21%).
Why the others are not
- a) Water vapour varies between 0% and 4%.
- b) Water vapour decreases rapidly with altitude.
- c) The two main components are nitrogen and oxygen.
How to work it out in the exam
- Water vapour: variable and drops with height; main gases: N2 and O2.
Where this question comes from
- Junta de Andalucía · 2023 · 2ª convocatoria · CY Módulo genérico · question 1 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.