Carbon dioxide
Nitrogen
Nitrous oxide
Oxygen
Helium
Correct answer is C
Nitrous oxide, commonly known as laughing gas, is used as an anesthetic and analgesic.
Which movie features the quote "You can’t handle the truth"?...
Which African country is home to the Pyramids of Meroë?...
Who is the head of state in a parliamentary system?...
What is the main source of methane emissions?...
Which plant is known for its edible leaves often used in salads?...
What is the main function of the large intestine?...
What is George Stephenson known for inventing?...
What is observed on December 31 worldwide?...
Who holds the record for the most Grand Slam titles in tennis?...