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SJ - Chp 7 Rocks & Soil Vocabulary
natural, solid, non-living material made of one or more minerals
natural material that forms from non-living matter
the part of Earth's surface consisting of humus and weathered rock in which plants grow
thing plants need in order to grow
rock that forms when melted earth materials cool and harden
rock that forms when existing rock is changed by heat and pressure
rock that forms when small pieces of earth materials collect and become bound together
to break down, or rot
soil that contains a mixture of humus and mineral materials of sand, silt, and clay