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| natural,solid nonliving material made of one or more minerals. |
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| natural material that forms from nonliving matter. |
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| rock that forms when melted earth materials cool and harden. |
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| rock that forms when small pieces of earth materials collect and become bound together. |
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Definition
| rock that forms when existing rock is changed by heat and pressure. |
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| the part of the earth's surface consisting of humus and weathered rock in which plants grow. |
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| things plants need in order to grow. |
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| soil that contains a mixture of humus and mineral materials of sand, silt, and clay. |
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