1. What is soil?Soils are complex systemswhere a wide range ofphysical and biologicalprocesses that are reflected inthe wide variety of existingsoils occur on earth. 2. How does soil form?There are many processes that can contribute to aparticular soil, some of these are: wind deposition,sedimentation in streams, weathering and deposition oforganic material.In a simplified way we can say that the steps involved inthe soil formation are: Mechanical disintegration of rocks. Regolticos chemical weathering of materials released. 3. What types of soils arethere? Sandy soils Calcareous soils Muck soil (black earth) Clay soils Stony soilshttp Mixed soils 4. Is the life linked to the soils?Why?Yes, because there wereno photosynthesis and wedid not have oxygen, andwithout that we can die sowe have ground to live.