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12 years ago
Draw a soil profile for the area around your university. Indicate the principal layers, or horizons. Describe the characteristics of each layer.
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12 years ago
This exercise will require a good shovel and a place to dig that is both safely away from any buried services (gas, electric, etc.), and will not raise the ire of property owners! Dig down about a metre, if you can, and notice the changes in soil texture and colours.
Biology!
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