12 Questions
What percentage of the atmosphere's mass is within the troposphere?
75%
What is the temperature trend in the stratosphere?
Increases with altitude
What percentage of the atmosphere is comprised of CO2 and noble gases?
Most of the remainder of the atmosphere
What suffix is used to denote the boundaries between regions in the atmosphere?
-pause
What is the main reason for the variation in composition of the atmosphere with altitude?
All of the above
What is the definition of ppm in the context of the atmosphere?
1 part by volume per million volumes of the whole
What is the approximate pressure at sea level?
760 torr
What is the result of photodissociation in the upper atmosphere?
The formation of oxygen atoms
What is the process by which a molecule absorbs energy and loses an electron?
Photoionization
What is the approximate percentage of the atmosphere composed of nitrogen and oxygen?
99%
What is the wavelength range of photons absorbed by ozone?
240-310 nm
What is the approximate altitude range where 90% of ozone is found?
10-50 km
Test your knowledge of the different regions of the Earth's atmosphere, including the troposphere and stratosphere, and their temperature profiles. Learn about the boundaries between these regions and the characteristics of each layer.
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