Assignment: Earth’s Dynamic Atmosphere

Assignment: Earth’s Dynamic Atmosphere
Assignment: Earth’s Dynamic Atmosphere
Assignment 6.Please review the course web site for access dates: Click on the begin button to access the assignment and submit your answers. This covers Unit VI Earth’s Dynamic Atmosphere in the textbook (Chapters 11, 12, 13, and 14).
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. (1 point each)
1) The annual temperature range at most latitudes in the Southern Hemisphere is much smaller than that in the Northern Hemisphere. The reason for this is that ________.
A) rainfall and cloudiness are greater in the Southern Hemisphere
B) Earth is closest to the Sun during the Southern Hemisphere summer
C) there is a greater percentage of water surface in the Southern Hemisphere
D) a greater proportion of the land surface is mountainous in the Southern Hemisphere
2) Imagine you are in a flying aircraft. You note the presence of clouds and storms at your same altitude. What layer of the atmosphere must the aircraft be traveling through?
A) stratosphere B) troposphere C) mesosphere D) ionosphere
3) Dust in the atmosphere is responsible for which of the following?
A) optical phenomena such as a red sky at sunset
B) reflection of solar energy
C) acting as a nucleus for condensation and cloud formation
D) Atmospheric dust does all of these.
4) Water vapor levels in Earth’s atmosphere ________.
A) range between 0% and 4%
B) vary from place to place and time to time
C) are a major mechanism of transport of latent heat
D) all of the above
5) Which of the following can influence temperature?
A) position on a landmass B) cloud cover
C) altitude D) all of the above
6) Which one of the following is the most abundant gas in the atmosphere?
A) nitrogen B) ozone C) carbon dioxide D) oxygen
7) The term ________ is used to describe the conversion of a solid directly to a gas, without passing through the liquid state.
A) sublimation B) melting C) condensation D) evaporation
8) Rising air is ________ air.
A) stable B) cloudy C) warming D) unstable
9) Why are hygroscopic nuclei important?
A) They aid in evaporation, and therefore in cloud dissipation.
B) They encourage cooling of the atmosphere.
C) They facilitate warming of the atmosphere.
D) They aid in condensation, and therefore in cloud formation.
10) Clouds consist of ________.
A) water droplets B) white-colored gases
C) ice particles D) either water droplets or ice particles
11) When warm moist air moves over a cold surface, ________ fog may result.
A) upslope B) steam C) radiation D) advection

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