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The following is found at the base of Earth's crust:
Q25: Over the past 100 million years of
Q28: These rock-forming minerals are light-colored or colorless.
Q58: _ is a soil texture in which
Q68: In cool climates, areas of poor drainage
Q82: Mechanical and chemical weathering usually work together.
Q123: _ is the arrangement in which two
Q124: As water freezes it expands almost _
Q126: By far, the zoogeographic region with the
Q131: The most massive form of igneous intrusion
Q161: Fluctuation in the photoperiod stimulates seasonal behavior