Question

Which of the following best represents Earth’s current atmosphere?

Question 7 options:

78% Oxygen, 21% Carbon Dioxide, 1% Nitrogen and other gases


78% Nitrogen, 21% Oxygen, 1% Argon and Carbon Dioxide and other gases


78% Oxygen, 21% Nitrogen, 1% Carbon Dioxide and Argon and other gases

Answer 1

B. 78% Nitrogen, 21% Oxygen, 1% Argon and Carbon Dioxide and other gases.