Barrons AP Environmental Science

(Marvins-Underground-K-12) #1

  1. The annual amount of incoming solar energy varies considerably from
    tropical to polar latitudes with the polar regions radiating away more
    thermal energy than they absorb from the sun in the course of a year. The
    primary reason that the polar regions are not becoming progressively colder
    each year is because (A) large areas of upwelling in the polar seas keep heat
    circulating in the region (B) as ice melts, it releases its heat energy to the
    surroundings
    (C) the extensive cloud cover in the polar regions acts as a thermal blanket
    keeping whatever heat there is from escaping (D) underground “hot
    spots” in the polar seas keep the ocean temperatures in the area fairly
    stable (E) global heat energy is constantly being circulated through both
    ocean and air currents 37. Approximately five pounds of carbon is
    released into the atmosphere in the form of carbon dioxide for every
    gallon of gasoline that is burned. Two cars are making a 500 mile trip.
    Car A gets 15 miles to the gallon and car B gets 30 miles to the gallon.
    Approximately how much more carbon (in the form of CO 2 ) will car A
    produce than car B?


(A) 5   pounds
(B) 16.7 pounds
(C) 33.3 pounds
(D) 83 pounds
(E) 100 pounds


  1. Which factor does NOT significantly affect the amount of solar energy
    reaching the surface of Earth?


(A) Earth’s rotation    once    every   24  hours
(B) Earth’s revolution around the sun once per year
(C) The tilt of Earth’s axis (23.5°)
(D) Atmospheric conditions
(E) The distance between Earth and the sun


  1. Other than the melting of glaciers and ice sheets, which of the following
    factors has made the largest contribution to the global rise in sea level over
    the past 100 years?


(A) Urbanization    and its impact  on  estuaries
(B) Melting of sea ice
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