Gly Test 3 Practice Ch 21

30 Questions | Total Attempts: 227

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Gly Test Quizzes & Trivia

Questions and Answers
  • 1. 
    The climate system involves the exchanges of energy and moisture that occur among the ________ spheres.
    • A. 

      Three

    • B. 

      Four

    • C. 

      Five

    • D. 

      Six

    • E. 

      Seven

  • 2. 
    Lines of indirect evidence that scientists use to reconstruct past climates are termed ________.
    • A. 

      Paradigms

    • B. 

      Hypotheses

    • C. 

      Theories

    • D. 

      Inferences

    • E. 

      Proxy data

  • 3. 
    Which gaseous element composes the greatest percentage of the air that we breathe?
    • A. 

      Oxygen

    • B. 

      Nitrogen

    • C. 

      Carbon dioxide

    • D. 

      Hydrogen

    • E. 

      Helium

  • 4. 
    The temperature decrease in the troposphere is termed the ________.
    • A. 

      Environmental lapse rate

    • B. 

      Normal lapse rate

    • C. 

      Tropocline

    • D. 

      Tropopause

    • E. 

      Thermocline

  • 5. 
    The amount of radiation reflected by a surface is termed its ________.
    • A. 

      Electromagnetic spectrum

    • B. 

      Reflectivity constant

    • C. 

      Radiative number

    • D. 

      Infrared quotient

    • E. 

      Albedo

  • 6. 
    Tree rings can be used ________.
    • A. 

      To reconstruct paleoclimates

    • B. 

      As a dating tool

    • C. 

      To measure past CO2 concentrations

    • D. 

      A and B

    • E. 

      B and C

  • 7. 
    The shells of numerous marine micro-organisms are composed of ________.
    • A. 

      CO2

    • B. 

      FeO2

    • C. 

      CaCO3

    • D. 

      H2SO4

    • E. 

      NaCl

  • 8. 
    ________ can be used as a paleothermometer.
    • A. 

      Fossil pollen

    • B. 

      Tree ring data

    • C. 

      Aerosols

    • D. 

      Foraminifera

    • E. 

      Corals

  • 9. 
    Ozone is concentrated in the ________.
    • A. 

      Troposphere

    • B. 

      Stratosphere

    • C. 

      Mesosphere

    • D. 

      Thermosphere

    • E. 

      Cryosphere

  • 10. 
    Fifty percent of Earth's atmosphere is found below an altitude of ________.
    • A. 

      4.2 km

    • B. 

      5.6 km

    • C. 

      6.5 km

    • D. 

      7.4 km

    • E. 

      7.9 km

  • 11. 
    As you ascend in elevation within the troposphere, the air temperature decreases ________.
    • A. 

      3.5 ºC/km

    • B. 

      4.2 ºC/km

    • C. 

      5.3 ºC/km

    • D. 

      6.5 ºC/km

    • E. 

      7.0 ºC/km

  • 12. 
    Vertical changes in temperature, pressure, wind, and humidity are recorded by ________.
    • A. 

      Aerometers

    • B. 

      Barographs

    • C. 

      Theodolites

    • D. 

      Climoprobes

    • E. 

      Radiosondes

  • 13. 
    In the ________ the temperature remains constant to an altitude of about 20 km.
    • A. 

      Troposphere

    • B. 

      Tropopause

    • C. 

      Stratosphere

    • D. 

      Stratopause

    • E. 

      Mesosphere

  • 14. 
    Temperatures rise to more than 1000 ºC in the ________.
    • A. 

      Troposphere

    • B. 

      Stratosphere

    • C. 

      Mesosphere

    • D. 

      Thermosphere

    • E. 

      Cryosphere

  • 15. 
    A surface's ________ is the amount of total radiation that it reflects.
    • A. 

      Albedo

    • B. 

      Lapse rate

    • C. 

      Greenhouse effect

    • D. 

      Isotope ratio

    • E. 

      Aerosol content

  • 16. 
    If Earth's atmosphere contained no greenhouse gases, the average surface temperature would be ________.
    • A. 

      Higher

    • B. 

      Lower

    • C. 

      Unchanged

    • D. 

      Uncalculable

    • E. 

      Nonexistent

  • 17. 
    Eccentricity, obliquity, and precession are considered to be causes of ________ climate change.
    • A. 

      Natural

    • B. 

      Human

    • C. 

      Solar

    • D. 

      Volcanic

    • E. 

      Astrological

  • 18. 
    Explosive volcanic eruptions can act to ________ global temperatures.
    • A. 

      Raise

    • B. 

      Lower

    • C. 

      Moderate

    • D. 

      Expand

    • E. 

      Volcanic eruptions do not affect temperature.

  • 19. 
    A general term for particulate matter found in the atmosphere is ________.
    • A. 

      Albedo

    • B. 

      Isotopes

    • C. 

      Proxy data

    • D. 

      Pollen

    • E. 

      Aerosols

  • 20. 
    Some scientists believe that these huge magnetic storms are responsible for variations in temperature and precipitation.
    • A. 

      Hurricanes

    • B. 

      Tsunamis

    • C. 

      Sunspots

    • D. 

      Typhoons

    • E. 

      Monsoons

  • 21. 
    Burning which of the following materials contributes carbon dioxide to Earth's atmosphere?
    • A. 

      Coal

    • B. 

      Petroleum

    • C. 

      Wood

    • D. 

      A and C

    • E. 

      A, B, and C

  • 22. 
    The increase in global temperature during the twentieth century was approximately ________.
    • A. 

      0.5°C

    • B. 

      0.6°C

    • C. 

      0.7°C

    • D. 

      0.8°C

    • E. 

      0.9°C

  • 23. 
    Methane (CH4), nitrous oxide (N2O), and chlorofluorocarbons (CFCs) are considered ________ (greenhouse) gases.
    • A. 

      Minor

    • B. 

      Trace

    • C. 

      Constituent

    • D. 

      Volatile

    • E. 

      Negligible

  • 24. 
    Methane is produced by ________ bacteria.
    • A. 

      Aerobic

    • B. 

      Anaerobic

    • C. 

      Aerated

    • D. 

      Oxidized

    • E. 

      Polymorphic

  • 25. 
    The increase in atmospheric nitrous oxide ("laughing gas") results primarily from ________.
    • A. 

      Automobiles

    • B. 

      Factories

    • C. 

      Dental procedures

    • D. 

      Locomotives

    • E. 

      Fertilizers

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