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El aire que constituye la atmósfera terrestre, está compuesto por diversas clases de gases, el más abundante de ellos es:The air in the Earth’s atmosphere is made up of various gases. The most abundant is:

Show the answer

Correct answer: a) Nitrogen.

Why it is correct

Nitrogen is about 78 % of the air.

Why the others are not

  • b) It is about 21 %.
  • c) There is almost none.
  • d) It is a trace.

How to work it out in the exam

  1. 78 % nitrogen.

Where this question comes from

Try it: Term pairs

Pending instructor review. Machine translation, not reviewed.