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plant and animal found in the topsoil that is decomposing |
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earth material that contains rocks of different sizes and organic matter |
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facts gained by direct observation, used to support or prove an idea |
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a personal belief, not supported by facts |
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the most important elements plants need to grow (food) |
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the material that makes up a sample of soil (ingredients) |
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measuring system used by scientists |
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any description or measurement gathered by the senses |
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