Class 4th 7th Assignment

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Across
  1. 6. The process by which wind, water, or other natural agents wear away and move soil, sediment, or rock.
  2. 7. Small particles of rock, soil, or organic material that have been broken down by weathering and erosion.
  3. 8. The dark, organic material that forms in soil as plants and animals decay.
  4. 9. A fine-grained, mineral-rich soil that is often used for pottery and other crafts.
  5. 10. A naturally occurring solid substance made up of one or more minerals.
Down
  1. 1. A naturally occurring, inorganic substance that has a defined chemical composition and crystal structure.
  2. 2. The physical and chemical processes that break down rocks and minerals at or near the Earth's surface.
  3. 3. The continuous process by which rocks are formed, weathered, eroded, and reformed over time.
  4. 4. The remains or traces of ancient organisms, preserved in rocks or sediment.
  5. 5. The top layer of the Earth's surface, made up of a mixture of organic material, minerals, and air.