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Earth Science Regents > Unit Five - Weathering and Erosion - Soil > Flashcards

Unit Five - Weathering and Erosion - Soil Flashcards

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1
Q

What is Soil made up of?

A

Weathered Rock and Organic Matter

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2
Q

What is Humus?

A

Organic Matter (dead living things) that serves as a source of nutrients for plants.

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3
Q

Definition of Biological Activity

A

Living things breaking down to dead things

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4
Q

What are the layers in soil?

A

Topsoil
Subsoil
Partially Weathered Rock
Unweathered Bedrock

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Earth Science Regents (43 decks)

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