Soil

• What percentage of soil is made of water - 25%
• What component of soil is being described,this is found in the pores(spaces)between the soil is needed for the survival of living organisms in the soil - Air
• What is the name given to the layers in soil-Horizons
• Explain the term leaching - high amount of rainfall
• What is the name of the dark jelly-like subslance that increases

  soil fertility- Humus
• Name the most common soil type in Ireland-Brown earth soil
• Name one infertile soil found in Ireland-Gley
• How vegetation (plants) influences soil

  vegetation influences the soil because above the soil theres decidious leaves when they fall they are known as plant litter .when this plant litter is broken down by humans and living organisms it is changed into humus this process is known as humification .this influences because humus is an important part of soil that increases soil fertility