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The uppermost layer of the Earth's surface containing mineral and organic matter capable of supporting plants is
Q2: _ is the term describing when the
Q22: The location where the Colorado River has
Q61: The soil order BEST associated with dry
Q66: Tundra is a grassland biome.
Q70: What is another name for the continental
Q86: Soils that are highly organic and important
Q112: If a thunderstorm becomes especially severe during
Q129: The cloud type of a thunderstorm is<br>A)
Q135: The area of rapidly flowing air moving
Q141: Which of the following are types of