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soil
| Question | Answer |
|---|---|
| Litter | very top layer of dead leaves and grasss |
| Topsoil | mix of fragments of rock,nutrients,water,air,decaying animal matter |
| Subsoil | below top soil |
| Bedrock | all soil begins as rock that makes up Earths crust |
| Erosion | process by which water,wind,or ice moves particles of rock or soil |