Oxygen
Quiz by Nguyễn Thị Bích Liên
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5 questions
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- Q1Which of the following is a common source of oxygen in the environment?CarsVacuum cleanersComputersPlants30s
- Q2What process do plants use to convert sunlight into oxygen?TranspirationFermentationPhotosynthesisRespiration30s
- Q3Which of the following statements is true about oxygen in Earth’s atmosphere?Oxygen makes up about 21% of Earth's atmosphere.Oxygen is found only in water.Oxygen is the most abundant gas in the atmosphere.Oxygen is a gas we cannot see.30s
- Q4In which part of the human body is oxygen transported by the blood?BrainStomachKidneysLungs30s
- Q5What gas do humans and animals breathe in to survive?HydrogenOxygenCarbon dioxideNitrogen30s