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A mixture of decomposed organic matter in soil that is usually dark in color is called
Q4: Where does the greatest distortion in a
Q11: The auroras in the upper atmosphere are
Q21: The coastal environment is also known as
Q36: An extensive area of sand and sand
Q37: A high CEC means that<br>A) soil colloids
Q43: When two valley glaciers join together, they
Q55: The basic idea behind the planetesimal hypothesis
Q87: Soils characteristic of the northern coniferous forests
Q93: In a food chain, toxic chemicals tend
Q140: Watersheds are defined by<br>A) continental divides.<br>B) drainage