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Soils
vocabulary (reassessment)
Term | Definition |
---|---|
soil | the material that covers most of the Earth's land |
particle | a very small piece of a material |
humus | a material in soil that comes from the remains of dead plants and animals |
nutrient | a material that living things must take in to live and grow |
sand | soil made up of the largest rock particles |
silt | soil with particles smaller than sand but larger than clay |
clay | soil with the smallest particles |
loam | soil that is a mixture of sand, silt, and clay |