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A __________ is a broad, gently sloping surface eroded into bedrock.
Q1: Loess is:<br>A) silt that has been transported
Q2: _ is a principle that states that
Q3: Liquid freshwater amounts to about _ percent
Q7: The _ of a stream is a
Q16: Fly ash is a particulate air pollutant
Q27: The rigid, outer part of Earth, including
Q39: The part of oceanic crust made up
Q47: _ is the amount of energy required
Q50: The Earth's atmosphere is a mixture of
Q53: At present, the Atlantic Ocean is growing,