what is soil composed of
soil is the material found on the surface of the earth that is composed of organic and inorganic material soil varies due to its structure and composition learn about the different types of soil and soil structures in this video lesson
soil is made of 45 % minerals sand clay silt 25 % water 25 % air and 5 % organics soil also includes dirt that is made of materials that plants avoid growing in hence soil a mixture of decayed organic material living organisms and minerals