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In semiarid climates there is a tendency for calcium carbonate to build up in a hardpan layer beneath the surface.
Q2: At the global scale, topographic influences are
Q7: In which type of environment does the
Q12: The geographer's concern with the Earth's interior
Q19: This biome is widespread in drier portions
Q26: The southern portion of the "supercontinent" envisioned
Q35: Of the following, which covers the least
Q50: How long ago did Pangaea first begin
Q55: Explain the "struggle" between the internal and
Q108: Which of the following is NOT an
Q129: The Alaskan earthquake of 1964 was extraordinarily