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Science Bonus
Test
| Question | Answer |
|---|---|
| Which materials make up soil? | minerals, water , air . and organic matter |
| What is the scientific name for soil layers ? | horizon |
| What are the names and characteristics of the three main soil layer ? | A horizon -topsoil, minerals and humus B horizon-subsoil ,minerals , and clay C horizon - bedrocks |
| How does soil form ? | Through weathering of parent material |
| Why is soil important ? | Survival of plants , habitat for animals , part of water cycle , can be used for energy production |
| What can we do to help maintain the quality of our soils ? | Farmers practice ''crop rotation '' which means that they plant different areas of land each year |