SOIL HORIZONS REVIEW

Front

SOIL LAYERS ARE CALLED.......

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HORIZONS

Front

THIS LAYER CONTAINS UNWEATHERED SOLID ROCK AND IS BENEATH ALL OTHER LAYERS......

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HORIZON R

Front

THIS HORIZON IS MADE OF DECAYING LEAVES, TWIGS AND ANIMAL REMAINS/WASTES......

Back

O

Front

MIXTURE OF ROCK, MINERAL PARTICLES, AND ORGANIC MATTER......

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SOIL

Front

RICH IN MINERALS, SUCH AS IRON AND ALUMINUM.......

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B

Front

SLIGHTLY BROKEN UP ROCK.....

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C

Front

LOOSE SOIL THAT IS RICH IN ORGANIC MATERIAL...EX. HUMUS.......

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A

Front

WHAT IS HORIZON D ALSO CALLED? Options: HUMUS, BEDROCK, ORGANIC MATTER, INORGANIC MATTER

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BEDROCK

Front

MORE MATURE SOIL HAS MORE HORIZONS......

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TRUE

Front

WHAT LAYER IS TOPSOIL FOUND IN?

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A