soil horizons Flashcards by alycia hebert | Brainscape

Q

what is organic matter

A

decomposing vegetation by bacteria

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Q

what is top soil

A

mineral rich soil, organic matter, supports life

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Q

what’s subsoil

A

layer that accumulates minerals

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Q

whats fragmented rock

A

broken rock from parent rock

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Q

whats parent rock

A

layer of large unbroken rocks

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