1. Soil formation begins with the weathering of ___
A.bedrock
B.humus
C.litter
D.rocks
2. Layers of soil are also known as____
A.soil profile
B.soil sheets
C.soil horizons
D.soil cores
A.bedrock
B.humus
C.litter
D.rocks
2. Layers of soil are also known as____
A.soil profile
B.soil sheets
C.soil horizons
D.soil cores
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Answer:
1. D.
2. C.
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