Hover or tap underlined Spanish terms to see their translation and exam tip.
El porcentaje de oxígeno en la composición de la atmósfera es de:The percentage of oxygen in the composition of the atmosphere is:
Show the answer
Correct answer: b) 20.95%
Why it is correct
Oxygen is about 21%.
Why the others are not
- a) It is about 20.95.
- c) It is about 20.95.
- d) It is about 20.95.
How to work it out in the exam
- Oxygen 21%, nitrogen 78%.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2019 · Convocatoria de junio · CY Test 1 · question 26 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2019 · Convocatoria de junio · CY Test 2 · question 22 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.