Across
- 1. weathering-the process that breaks rocks apart without changing their chemical composition.
- 5. rock underlying loose deposits such as soil or alluvium.
- 6. the soil lying immediately under the surface soil.
- 7. profile-topsoil (A horizon), subsoil (B horizon), and C horizon.
- 8. material-Parent material is the geologic material from which soil horizons form. There are seven variations of parent material.
- 9. Soil that is on the upper layer of the earth.
Down
- 2. weathering-the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by mechanical processes.
- 3. organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
- 4. leaching layer-Leached of clay, minerals, and organic matter, leaving a concentration of sand and silt particles of quartz or other resistant materials
- 6. Horizon-horizon, a distinct layer of soil,