Filters
Question type

Study Flashcards

List the four stable gases in the atmosphere by decreasing percentage by volume.

Correct Answer

verifed

verified

nitrogen,o...

View Answer

At sea level,the pressure of the atmosphere is about ________ kg per square centimetre.


A) 1) 0
B) 2) 6
C) 8) 2
D) 6) 7
E) 10.0

F) A) and D)
G) A) and C)

Correct Answer

verifed

verified

Weather is confined to the troposphere because


A) terrestrial radiation provides no heat whatsoever to the other layers of the atmosphere.
B) solar radiation does not heat other layers of the atmosphere.
C) cold air sinks from the stratosphere into the troposphere.
D) the temperature of the stratosphere prevents tropospheric air from rising into it.
E) the tropopause is a physical barrier to movement.

F) A) and D)
G) C) and D)

Correct Answer

verifed

verified

Photochemical smog results from the interaction of sunlight with the combustion products of automobiles.

A) True
B) False

Correct Answer

verifed

verified

At CO levels of 100 ppm or less,


A) most humans develop a headache and can make errors on simple tests.
B) there is no noticeable health effect.
C) the human bloodstream is unaffected.
D) carbon monoxide can contribute to acid rain.
E) it has a noticeable odour.

F) D) and E)
G) None of the above

Correct Answer

verifed

verified

As soon as the theoretical basis for ozone destruction by CFCs was worked out,political leaders in the United States immediately proposed legislation to ban the production of all CFCs.

A) True
B) False

Correct Answer

verifed

verified

Which of the following are affected by the loss of ozone?


A) crop yields increase
B) phytoplankton populations explode
C) immune system health is supported.
D) eye tissues are damaged
E) algal blooms cover freshwater lakes.

F) B) and E)
G) A) and E)

Correct Answer

verifed

verified

Bromine is more effective at destroying ozone than are CFCs.

A) True
B) False

Correct Answer

verifed

verified

If you could travel to 30 km altitude and then travel back to Earth,you would experience


A) silence at first as the density of molecules would preclude the rush of air passed your ears.
B) overwhelming pressure from the density of air.
C) a slow rate of fall since you would be buoyed up by the atmospheric molecules
D) a descent that lasts for hours.
E) intense heat due to direct solar contact.

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

Industrial smog is


A) associated with photochemistry.
B) principally associated with coal-burning industries.
C) a relatively recent problem that developed during the latter half of this century.
D) principally associated with transportation.
E) has been recorded since Roman times.

F) A) and E)
G) All of the above

Correct Answer

verifed

verified

Which of the following is true of the stratospheric ozone?


A) the most severe loss of ozone occurred during 1996.
B) UV radiation at Ushuaia,Argentina increased 236%.
C) the "ozone hole" is now three times larger than the England.
D) ozone depletion is not occurring over the Arctic.
E) ozone depletion is balanced by ozone in the lower atmosphere.

F) None of the above
G) All of the above

Correct Answer

verifed

verified

The thermosphere and the ionosphere ________ because ________.


A) overlap the absorption of high energy electromagnetic radiation that generates the high temperatures in the thermosphere also ionizes the gas molecules in this region of the atmosphere
B) overlap photochemical reactions in this layer separate protons from neutrons,thereby creating charged particles
C) do not overlap only the outermost layer of the atmosphere-the ionosphere-receives enough energy for ionization to occur
D) do not overlap only the outermost layer of the atmosphere-the ionosphere-receives enough energy for photochemical reactions to occur
E) overlap the processes of molecular heating cause the atmospheric particles to ionize-to burst into space.

F) B) and E)
G) B) and D)

Correct Answer

verifed

verified

Which layer of the atmosphere contains noctilucent clouds?


A) stratosphere
B) thermosphere
C) troposphere
D) mesosphere

E) B) and C)
F) A) and C)

Correct Answer

verifed

verified

Atmospheric circulation ultimately connects all places on Earth to one another.

A) True
B) False

Correct Answer

verifed

verified

The thermopause is located


A) between the mesosphere and the thermosphere.
B) wherever -90°C is recorded.
C) approximately 480 km above Earth's surface.
D) at the bottom of the homosphere.
E) at the interface between the lithosphere and atmosphere.

F) A) and B)
G) B) and D)

Correct Answer

verifed

verified

Normal rainfall has a neutral pH.

A) True
B) False

Correct Answer

verifed

verified

List the thermal layers of the atmosphere,in order,from bottom to top.

Correct Answer

verifed

verified

tropospher...

View Answer

Which of the following can cause tropospheric air to rise into the stratosphere?


A) surface heating by forest fires.
B) turbulence associated with the jet streams,volcanic eruptions and hurricanes
C) tornadoes
D) space shuttle launches.
E) it is impossible for this to happen

F) B) and D)
G) D) and E)

Correct Answer

verifed

verified

Air consists of


A) gases that are not well mixed.
B) a mixture of gases that behaves as if it were a single gas.
C) oxygen only.
D) oxygen and ozone
E) carbon dioxide and oxygen.

F) A) and B)
G) B) and E)

Correct Answer

verifed

verified

Skin damage resulting from exposure to the Sun is cumulative i.e. ,the skin never completely heals from previous sunburns.

A) True
B) False

Correct Answer

verifed

verified

Showing 101 - 120 of 152

Related Exams

Show Answer