Which of the following gas is commonly used in laparoscopic procedures?

CO2 is used for insufflation during endoscopic procedures (e.g., laparoscopic surgery) because it is highly soluble and does not suppo combustion. Inadveent gas emboli thus are dissolved and eliminated more easily by the respiratory system. Ref: Patel P.M., Patel H.H., Roth D.M. (2011). Chapter 19. General Anesthetics and Therapeutic Gases. In B.C. Knollmann (Ed), Goodman & Gilman's The Pharmacological Basis of Therapeutics, 12e.