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Earth's original atmosphere,several billion years ago,was similar to the present atmosphere.
Q1: _ develop where oceanic lithosphere bends downward
Q6: The turbulent water created by breaking waves
Q15: Preserved rocks in North America are generally
Q16: When an earthquake occurs,energy radiates in all
Q21: All objects,regardless of temperature,radiate energy.
Q46: Based on your knowledge of isostasy,would you
Q58: Which of the following is determined by
Q62: crust biosphere core mantle
Q70: The higher the viscosity of a magma,the
Q126: The largest mass extinction in the Phanerozoic