11.5 - Oxygen (O) – Group 16
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Practice Questions
Test your understanding with targeted questions
What percentage of the atmosphere is made up of oxygen?
💡 Hint: Think about the air we breathe.
Is oxygen essential for combustion?
💡 Hint: Remember how fire needs air to burn.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the percentage of oxygen in the atmosphere?
💡 Hint: It's a key component needed for life.
True or False: Oxygen can burn on its own.
💡 Hint: What happens when you put fire in a closed jar with no air?
1 more question available
Challenge Problems
Push your limits with advanced challenges
Analyze the role of oxygen in both biological processes and combustion reactions. What are the similarities and differences?
💡 Hint: Think of how organisms take in oxygen and how fire behaves.
Evaluate the implications of ozone layer depletion. What effects does this have on living organisms and ecosystems?
💡 Hint: Consider how increased UV affects health and the environment.
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