The below table shows the compositions of the atmosphere of planet of X. Which of these gases are present in higher percentages on earth?

A. CO₂ and O₂
B. N₂ and CO₂
C. CO₂, O₂ and N₂
D. O₂ and N₂

Correct Answer:

Option A = CO₂ and O₂

Explanation

The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of other gases, too, such as carbon dioxide, neon, and hydrogen.