Atmosphere
41. The primary source of energy for the earth's
atmosphere?
A. Energy from within the earth
B. The sun
C. Erupting volcanoes
D. Lightning discharges associated with thunderstorms
42. The most abundant gases in the earth's atmosphere
by volume are:
A. Carbon dioxide and nitrogen
B. Oxygen and water vapor
C. Nitrogen and oxygen
D. Oxygen and helium
43. Water vapor is:
A. A gas
B. A cloud droplet
C. A rain drop
D. A snowflake
44. Which of the following is considered a variable
gas in the earth's atmosphere?
A. Water vapor
B. Nitrogen
C. Oxygen
D. Argon
45. The gas that shows the most variation from place
to place and from time to time in the lower atmosphere:
A. Ozone (O3)
B. Carbon dioxide (CO2)
C. Water vapor (H2O)
D. Methane (CH4)
46. In the atmosphere, tiny solid or liquid suspended
particles of various composition are called:
A. Aerosols
B. Carcinogens
C. Greenhouse gases
D. Microbes
47. The most abundant greenhouse gas in the earth's
atmosphere:
A. Carbon dioxide (CO2)
B. Nitrous oxide (N2O)
C. Water vapor (H2O)
D. Methane (CH4)
48. Which of the following processes acts to remove
carbon dioxide from the atmosphere?
A. Lightning
B. Deforestation
C. Photosynthesis
D. Burning fossil fuels
49. The earth's first atmosphere was composed
primarily of?
A. Carbon dioxide and water vapor
B. Hydrogen and helium
C. Oxygen and water vapor
D. Argon and nitrogen
50. The most abundant gas emitted from volcanoes?
A. Nitrogen
B. Sulfur dioxide
C. Helium
D. Water vapor
51. This holds a planet's atmosphere close to its
surface?
A. Radiation
B. Gravity
C. Cloud cover
D. Moisture
52. The amount of force exerted over an area of
surface is called?
A. Density
B. Weight
C. Temperature
D. Pressure
53. Which of the following weather elements always
decreases as we climb upward in the atmosphere?
A. Wind
B. Temperature
C. Pressure
D. Moisture
54. The gas responsible for the greenhouse effect on
Venus?
A. Carbon dioxide (CO2)
B. Oxygen (O2)
C. Ozone (O3)
D. Nitrogen (N2)
55. The planet with a strong greenhouse effect, whose
surface temperature averages 480 Degrees C (900 Degrees F)?
A. Earth
B. Venus
C. Mars
D. Pluto
56. The earth's atmosphere is divided into layers based
on the vertical profile of?
A. Air pressure
B. Air temperature
C. Air density
D. Wind speed
57. Almost all of the earth's weather occurs?
A. Exosphere
B. Stratosphere
C. Mesosphere
E. Troposphere
58. The hottest atmospheric layer?
A. Stratosphere
B. Mesosphere
C. Thermosphere
D. Troposphere
59. The atmospheric layer in which we live is called?
A. Troposphere
B. Stratosphere
C. Thermosphere
D. Ionosphere
60. The instrument that measures temperature,
pressure, and humidity at various altitudes in the atmosphere?
A. Barograph
B. Radiosonde
C. Aneroid barometer
D. Altimeter
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