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Q36: Which of these forces hold the secondary
Q41: Which of these substances is not a
Q41: Which of these gases combine with water
Q43: All other factors being equal, the chance
Q46: The lower limit to which the stream
Q52: How are radioactive elements different from stable
Q52: Which of these process is characterized by
Q54: Which substance is the reducing agent in
Q55: What is the geologic time scale today
Q63: Which of these builders forms insoluble precipitates