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- 1. Multiple ChoiceEarth's current atmosphere is _?_.78% nitrogen, 21% oxygen, 0.9% argon and 0.037% carbon dioxide78% oxygen, 21%nitrogen, 0.9% argon, 0.037% carbon dioxide78% nitrogen, 21% argon, 1% oxygen78% oxygen, 21% nitrogen, 1% carbon dioxide
- 2. Multiple ChoiceThe layers of the atmosphere in order from bottom to top are _?_.troposphere, stratosphere, mesosphere, thermosphere, exospheretroposphere, mesosphere, atmosphere, thermospheremesosphere, thermosphere, troposphere, stratosphere, exospherethermosphere, stratosphere, mesosphere, troposphere, exosphere
- 3. Multiple ChoiceThe layer of the atmosphere containing the ozone layer is _?_.tropospherestratospherethermospheremesosphere
- 4. Multiple ChoiceThe layer of the atmosphere containing our weather is _?_.thermospherestratospheretropospheremesosphere
- 5. Multiple ChoiceThe layer of the atmosphere containing the ionosphere and auroras is _?_.tropospheremesospherestratospherethermosphere
- 6. Multiple ChoiceThe layer of the atmosphere where meteors burn up _?_.mesospherethermospheretropospherestratosphere
- 7. Multiple ChoiceThe layers of the atmosphere that get colder as altitude increases are _?_.thermosphere and tropospheremesosphere and tropospherestratosphere and thermospherethermosphere and mesosphere
- 8. Multiple ChoiceThe layers of the atmosphere that get hotter with increased altitude are the _?_.thermosphere and mesospheretroposphere and mesospherethermosphere and stratospherestratosphere and mesosphere
- 9. Multiple Choice
The hottest layer from the provided choices is the _?_.
thermosphere
stratosphere
mesosphere
troposphere
- 10. Multiple ChoiceThe troposphere gets colder as you go up. What is the reason for this?The troposphere is heated by the sun. reacting with oxygen (ozone)The troposphere is heated by Earth's surface.The troposphere is heated by carbon dioxide heat release.It is getting closer to outer-space.
- 11. Multiple ChoiceWhat makes up 99% of the atmosphere?nitrogenoxygencarbon dioxidenitrogen and oxygen together
- 12. Multiple ChoiceWhat does ozone in the atmosphere do?It absorbs and traps heat energy.It provides a place for water vapor to condense.It protects against harmful UV radiation.It helps plants grow.
- 13. Multiple ChoiceThe layer of gases that surrounds the Earth is known as its _?_.lithospherehydrosphereatmospherebiosphere
- 14. Multiple Choice
What separates the layers of the atmosphere from one another?
changes in pressure
changes in color
changes in altitude
changes in temperature
- 15. Multiple ChoiceAs you increase in altitude, pressure _?_.increasesdecreasesremains the same
- 16. Multiple ChoiceThis is the coldest layer of the atmosphere.tropospherethermospheremesospherestratosphere
- 17. Multiple ChoiceThis layer of the atmosphere contains most of the ozone.tropospherethermospheremesospherestratosphere
- 18. Multiple ChoiceThis is the layer where most commercial jet airliners fly.tropospherestratospheremesospherethermosphere
- 19. Multiple Choice
The layer not always recognized is the _?_.
exosphere
stratosphere
mesosphere
thermosphere
- Answer choicesTagsAnswer choicesTags