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Q17: The "A" horizon or combined "O/A" horizons
Q24: In a cavern-as compared with its bedrock
Q32: The thickest of Earth's interior layers is
Q34: A(n) _stream has developed a channel along
Q44: During the Pleistocene, the _ice was the
Q65: The general term applied to stream- deposited
Q82: In desert erosion, the most resistant layers
Q87: In terms of erosion, a gulley is
Q89: The rotting of rock by the various
Q119: If you were to dig into a