Soils

Soils

1. Is everywhere no matter where you go on earth

   • Soil will always be somewhere beneath your feet

2. Wheatering

   • It is the breaking of rocks into smaller rocks either by a phisical or a chemical process

3. Erosion

   • Depending on the size of the wheathered rock it together be considered
     • Sand:Biggest
     • Clay: Is by far the smallest
     • Silt:Between sand and clay

4. If have more clay, will retain more water, the plant root

   • Will have difficulties to growing

5. If have more sand, be worsed at holding water but easier for roots to grow it again

6. If have more silt, just the in between and has characteristics of each extreme to lesser degrees over all

7. Settle on top of bedrock they form into layers called horizons

   • This process take place over many thousands of years as rock is wethered and eroded and moved from one place to another
     • Never exact

8. Has soil taxonomy

9. Clay,Silt,Sand

   • Together make up soiland depending on the ratio of these three
     • Different sizes of particles
       • Soil will have different properties

10. Formed from rock that decompose slowly by the sun, wind and water

    • By animals and plants

11. Forest and plants protect the soil

    • But 13 million of forest were cut down
      • There people cultivate
        • Some matchines recolect all on sloads
          • There were only soil
            • That absorbed erotion
              • With the wind all of that fly

12. The city was change

    • With fabrics
      • To work
    • With fences
    • They destroi forest because they need land to survive
      • They don´t have money
        • Many people go to bed hungry (without eating before)