Brain › Science & TechnologyWhat element is the atmosphere of Jupiter mostly comprised of?NeonHeliumHydrogenArgonAnswerThe correct answer is C) Hydrogen.More Science & Technology questionsWhat was the first spacecraft to fly by Jupiter?In what state is there a town called Jupiter?How many genes does the human DNA contain?What is the largest organ in the human body?What is the main function of the iris of the eye?Where exactly is the retina of the eye positioned?Play Brain · Practice