question_answer

Which of the following statement is correct?

A) \[\frac{2}{3}\]part is nitrogen and \[\frac{1}{3}\]rd part is oxygen

B)  \[\frac{3}{4}\]part is oxygen and\[\frac{1}{4}\] part is nitrogen

C) \[\frac{1}{2}\]part is oxygen and\[\frac{1}{2}\] part is nitrogen and other

D) \[\frac{1}{5}\]part is oxygen and \[\frac{4}{5}\]part is nitrogen and other gases.