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5
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This is when soil is worn away because of forces such as wind or water.
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6
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These grow above the soil and provide food to things like animals.
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7
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Many of these live in burrows under the soil.
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8
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_______-remediation is a process where plants are used to get rid of soil toxins.
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9
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These microbes live in soil and fix nitrogen.
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11
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These guys are extremely important in soil decomposition and nutrient mixing.
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13
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The forest _______ looks much different if earthworms are present in the ecosystem.
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14
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This is the upper layer in soil and contains things like leaves and twigs.
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15
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This type of soil can act as a toxin barrier because it's very slippery.
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