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Year 11 Lab Questions

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Use the slide presentation to answer the following questions about the atmosphere.
Question
Answer
What is the atmosphere? a mixture of gases that surround a planet
List 3 ways gases are added and/or removed from the atmosphere? the oxygen that animals breathe,volcanic eruptions,
Explain how the atmosphere helps living things survive on Earth. insulation slows the rate at which the earth’s surface loses heat and keeps temperature
What 2 gases make up 99% of the earth's atmosphere? What percentage is each? nitrogen-78% oxygen- 21%
What is atmospheric dust? tiny, solid particles
What gases make up the other 1% of the atmosphere? argon,carbon dioxide, and methane
List and describe the 3 ways energy is transferred in the atmosphere.
1.radiation-transferred

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