science
Grade-5
Easy

Question

What is the correction option of ‘A’ and ‘B’ in the diagram given below.

  1. A – Nitrogen 21%, B – Carbon dioxide 79%
  2. A – Oxygen 21%, B – Nitrogen 79%
  3. A – Nitrogen 78%, B – Oxygen 21%
  4. A – Nitrogen 78%, B – Argon .01%

The correct answer is: A – Nitrogen 78%, B – Oxygen 21%


    In given diagram, A represents 78% nitrogen and B represents 21% oxygen.