Which component of soil organic matter is most resistant to decomposition?
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Lignin
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Hemicellulose
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Cellulose
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Protein
How does humans aggravate soil erosion?
Cutting trees
Building house
Planting trees
Hunting animals
Which soil type has smallest particles?
Loam soil
Glay soil
Sand soil
Gravel soil
What is the term for the horizontal layering of soil?
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Erosion
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Sedimentation
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Stratification
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Deposition
What is formation of soil known as?
Regoliths
Pedogenesis
Anthropogenic
Mycorrhizal
What is the name of the layer of soil just under the grass?
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Parent rock
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Top soil
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Bedrock
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Subsoil
What is the term for the ability of soil to transmit water and air?
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Fertility
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Compaction
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Permeability
-
Porosity
What is the term for accumulation of salts in the soil?
-
Compaction
-
Liching
-
Desertification
-
Salinization
What is the role of soil in water conservation?
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Retaining moisture
-
Absorbing sunlight
-
Generating wind energy
-
Conducting electricity
Which soil soil types holds most water?
Loamy soil
Clayey soil
Rocky soil
Sandy soil
