Oxygen by volume has a presence in the atmosphere of about...? Mcqs

PPSC Past Papers

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Oxygen by volume has a presence in the atmosphere of about...?

(A) 10 %

(B) 21 %

(C) 25 %

(D) 30 %

✅ Correct Answer: 21 %

Comments

Source: This question is taken from the Combined Competitive Examination (PMS) 2015 Paper General

MCQs Categories

Best of Luck

From ShineGk.com

Share our website's link