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Questions and Answers
What is the most abundant gas in the atmosphere?
What is the most abundant gas in the atmosphere?
- Nitrogen (correct)
- Oxygen
- Carbon Dioxide
- Argon
What process is responsible for the oxygen in the atmosphere?
What process is responsible for the oxygen in the atmosphere?
- Volcanic eruptions
- Photosynthesis (correct)
- The burning of fossil fuels
- The evaporation of water
What is air made up of?
What is air made up of?
- Solid particles
- Gases
- Atoms and molecules (correct)
- All of the above
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