HomePPSC Past PapersCarbon dioxide inhaled in air is approximately: 17. Carbon dioxide inhaled in air is approximately:By Admin / September 20, 2025 A. 0.40% B. 4% C. 40% D. 70% ✅ The correct answer is option 0.40%.
38. Which article of the 1973 constitution of Islamic Republic of Pakistan prohibits all forms slavery, Forced labour and child labour Leave a Comment / PastPaper 02, PPSC Past Papers / By Admin