Home > General ScienceWhat is the main gas found in the air we breathe?A. Oxygen B. Nitrogen C. Carbon Dioxide D. HeliumAnswer: NitrogenSubjects: General ScienceRelated MCQsWhich element is essential for the formation of bones and teeth?What is the unit of electric current?Which planet has rings around it?What is the largest organ in the human body?Which of the following is a non-renewable energy source?What phenomenon causes the sky to appear blue?Which process converts sugar into alcohol?What is the speed of light in vacuum?What is the most abundant element in the Earth’s atmosphere?What is the process by which plants make their food?What is the chemical symbol for water?What is the hardest natural substance on Earth?What is the process by which plants make their own food?Which organ in the human body is responsible for pumping blood?Which planet is known as the Red Planet?