Question 1 (1 point) There are different layers of soil, called "horizons" The top horizon, or layer, is called top soil. It is dark brown, very
loose, has very few rocks, and contains a lot of hummus, which is decomposed organic matter. Subsoil, just below the top
soil, is lighter in color, packed more tightly, and contains less hummus and more rocks Unlike the top horizon, the very
bottom horizon, which rests on bedrock, contains to hummus at all, is very compact, and is full of rocks
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Sequence/Chronological Order
Problem and Solution
Compare and Contrast
Description/Main Idea and detail
Cause and Effect
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