Which gas is responsible for the ozone layer? EASY 1 Point -0.25 Negative MCQ #1314 Chemistry Sciences Federal NTS Question Which gas is responsible for the ozone layer? Options A Oxygen (O₂) B Ozone (O₃) C Carbon dioxide (CO₂) D Nitrogen (N₂) Reveal Answer Reset 📝 Explanation The ozone layer is made up of ozone (O₃) — a triatomic molecule of oxygen. It is located in the stratosphere and absorbs harmful UV radiation from the Sun. ← Previous MCQ📋 All MCQs📚 LearnNext MCQ → Related MCQs EASY The longest bone in the human body is MEDIUM The smallest bone in the human body is EASY The heart is located in