Earth's atmosphere (approximate values)
Quiz by Oak National Academy: GCSE Combined Science OCR Foundation
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6 questions
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- Q1What is the approximate percentage of oxygen in Earth's atmosphere?0.04%20%80%1%30s
- Q2Which is the most abundant gas in Earth's atmosphere?Users enter free textType an Answer30s
- Q3What molecule does the atmosphere contain as a vapour, as well as in the liquid and solid states?Users enter free textType an Answer30s
- Q4Why is it difficult for humans to breathe sufficient oxygen at high altitudes?there are less oxygen molecules per volume of air at high altitudesthe air pressure increases at high altitudesair is more dense at high altitudes30s
- Q5What is the name for very small particles of solids and liquids that are suspended in air?Users enter free textType an Answer30s
- Q6At high altitudes such as the top of Everest, how does the composition of the atmosphere compare to at sea level?there is a higher percentage of nitrogenthe percentage composition of gases is the samethere is a lower percentage of oxygen30s