Memory Mixtures and Soil MemoryVersion en ligne Match the vocabulary word to the definition. par Michael Porter weathering The largest particles of rock that make up soil Particles of rock that are smaller than sand but larger than clay sand decay humus The smallest particles of rock that make up soil topsoil a combination of two or more different substances that keep their identities the remains of decayed plants or animals in the soil To be slowly broken down by the natural processes that destroy a plant or body clay physical property The breaking down of rocks on Earth’s surface into smaller pieces A mixture of water, air, tiny pieces of rock, and humus mixture The upper layer of soil in which plants have most of their roots silt A characteristic of matter that you can observe or measure directly soil
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