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Weathering is...
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
What is the dark, organic material that helps make soil fertile?
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
What is a primary ingredient of humus?
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
Pebbles and cobbles in a streambed are smooth and rounded as a result of the process of __________.
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
Erosion is...
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
How do plants weather rocks?
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
What are the different layers of the soil profile called?
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
Weathering is the breaking down of rock into ___________.
Decayed organic material
Horizons
abrasion
the movement of particles away from their source.
Humus
the breaking down of rocks and soil into smaller pieces.
sediment
when roots grow into cracks of rocks and expand the rock
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