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- 1. Multiple ChoiceWhat is the most common gas in the atmosphere?nitrogenoxygenwater vaporcarbon dioxide
- 2. Multiple ChoiceOxygen makes up approximately ____% of the gases in the atmosphere.20406080
- 3. Multiple ChoiceWhat decreases with altitude throughout Earth's atmosphere?densitypressuredensity and pressuretemperature and density
- 4. Multiple ChoiceWhat is the correct order of earth's atmospheric layers from bottom to top?Stratosphere, Mesosphere, Troposphere, Thermosphere, Exosphere.Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere.Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere.Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.
- 5. Multiple ChoiceWhy is atmospheric pressure greatest in the troposphere?gravity compresses the atmosphere as it pushes the gases downthermal and kinetic energy are the highest near the surfacethe coldest temperatures in the atmosphere are at Earth's surfacethe matter in the troposphere is the least dense
- 6. Multiple Choice
The layers of Earth's atmosphere are determined by changes in _________.temperaturedensitypressurecolor - 7. Multiple ChoiceWhich layer of the atmosphere has the highest density of gas molecules and highest atmospheric pressure?tropospheremesospherestratospherethermosphere
- 8. Multiple ChoiceWhat is the atmospheric layer closest to the surface?tropospherestratospheremesospherethermosphere
- 9. Multiple ChoiceDirectly above the troposphere is the _________.stratospheremesosphereexospherethermosphere
- 10. Multiple ChoiceWithin the stratosphere is the ozone layer. What does the ozone layer do?It protects us from meteorsIt protects us from violent solar flaresIt protects us from ultra violet radiationIt helps us breathe
- 11. Multiple ChoiceDirectly above the stratosphere is the _________.mesospheretropospherethermosphereexosphere
- 12. Multiple ChoiceIn which two layers does temperature decrease with altitude?mesosphere and tropospheretroposphere and stratospherestratosphere and thermospherethermosphere and exosphere
- 13. Multiple ChoiceIn which layer do virtually all weather phenomena take place?tropospheremesospherestratospherethermosphere
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