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Stratosphere: Quiz


Question 1: Bacterial life survives in the stratosphere, making it a part of the ________.
Environmental historyEnvironmental technologyEnvironmental economicsBiosphere

Question 2: An interesting feature of stratospheric circulation is the quasi-Biennial Oscillation (QBO) in the tropical latitudes, which is driven by ________ that are convectively generated in the troposphere.
Dispersion (water waves)Airy wave theoryWind waveGravity wave

Question 3: The stratosphere is layered in temperature because it is heated from above by absorption of ultraviolet radiation from the ________.
StarSunEarthSolar System

Question 4: The heating is caused by an ________ that absorbs solar ultraviolet radiation, heating the upper layers of the stratosphere.
ThermosphereOzone depletionIonosphereOzone layer

Question 5: Most high altitude flights by gliders use ________ from mountain ranges and were used to set the current record of 15,447m (50,671 feet).
WindLee waveMeteorologyHang gliding

Question 6: Commercial ________ typically cruise at altitudes of 9–12 km in temperate latitudes, in the lower reaches of the stratosphere.
AirlinerAirbusWide-body aircraftBoeing 777

Question 7: The vertical stratification, with warmer layers above and cooler layers below, makes the stratosphere dynamically stable: there is no regular ________ and associated turbulence in this part of the atmosphere.

Question 8: The QBO induces a secondary circulation that is important for the global stratospheric transport of tracers such as ________ or water vapor.

Question 9: Within this layer, temperature increases as altitude increases (see ________); the top of the stratosphere has a temperature of about 270 K (−3°C or 29.6°F), just slightly below the freezing point of water.
Inversion (meteorology)Los AngelesFogLondon

Question 10: The stratosphere is a region of intense interactions among radiative, ________, and chemical processes, in which horizontal mixing of gaseous components proceeds much more rapidly than vertical mixing.
Nonlinear systemChaos theoryDynamical systemControl theory

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