Podcast
Questions and Answers
What percentage of the atmosphere's mass is within the troposphere?
What percentage of the atmosphere's mass is within the troposphere?
- 75% (correct)
- 50%
- 99%
- 90%
What is the temperature trend in the stratosphere?
What is the temperature trend in the stratosphere?
- First increases, then decreases
- Decreases with altitude
- Increases with altitude (correct)
- Remains constant
What percentage of the atmosphere is comprised of CO2 and noble gases?
What percentage of the atmosphere is comprised of CO2 and noble gases?
- Most of the remainder of the atmosphere (correct)
- The entire atmosphere
- A small portion of the atmosphere
- A majority of the atmosphere
What suffix is used to denote the boundaries between regions in the atmosphere?
What suffix is used to denote the boundaries between regions in the atmosphere?
What is the main reason for the variation in composition of the atmosphere with altitude?
What is the main reason for the variation in composition of the atmosphere with altitude?
What is the definition of ppm in the context of the atmosphere?
What is the definition of ppm in the context of the atmosphere?
What is the approximate pressure at sea level?
What is the approximate pressure at sea level?
What is the result of photodissociation in the upper atmosphere?
What is the result of photodissociation in the upper atmosphere?
What is the process by which a molecule absorbs energy and loses an electron?
What is the process by which a molecule absorbs energy and loses an electron?
What is the approximate percentage of the atmosphere composed of nitrogen and oxygen?
What is the approximate percentage of the atmosphere composed of nitrogen and oxygen?
What is the wavelength range of photons absorbed by ozone?
What is the wavelength range of photons absorbed by ozone?
What is the approximate altitude range where 90% of ozone is found?
What is the approximate altitude range where 90% of ozone is found?