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5 cards from this section. Quick, good the night before a test.
What gas do humans breathe in for respiration?
Think about what you need to live.
What process do plants use carbon dioxide for?
This process helps plants make food.
What is the primary gas used in respiration?
It’s what you breathe in.
True or False: The ozone layer protects us from harmful UV radiation.
Think about skin protection.
Imagine a world without the ozone layer. Discuss the potential impacts on human health and the environment.
Consider what happens when you stay in the sun too long.
Analyze how human activities contribute to air pollution and its effects on the ecosystem.
Think of cars, factories, and their emissions.
7 more questions in this section. Enroll free to practise them all.
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