Which is the second most abundant gas in the atmosphere?
Answer and explanation
Correct answer: Oxygen
Oxygen is the second most abundant gas in Earth’s dry atmosphere, making up approximately 20.95% by volume. Therefore, option B is correct. Nitrogen is first at about 78%, while argon is present at roughly 0.93% and carbon dioxide at a much smaller, variable concentration. The ranking explains why oxygen, rather than nitrogen or argon, is the correct choice.
Frequently asked questions
What is the correct answer to this question?
Oxygen
Why is this the correct answer?
Oxygen is the second most abundant gas in Earth’s dry atmosphere, making up approximately 20.95% by volume. Therefore, option B is correct. Nitrogen is first at about 78%, while argon is present at roughly 0.93% and carbon dioxide at a much smaller, variable concentration. The ranking explains why oxygen, rather than nitrogen or argon, is the correct choice.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.
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