5. Define the following terms- a) Soil b) Leaching c) Resource d) Conservation
Answers
Answer:
a) Soil is a material composed of five ingredients — minerals, soil organic matter, living organisms, gas, and water.
b) Leaching is the loss or extraction of certain materials from a carrier into a liquid (usually, but not always a solvent). and may refer to: Leaching (agriculture), the loss of water-soluble plant nutrients from the soil; or applying a small amount of excess irrigation to avoid soil salinity.
c) resource is a source of supply, support, or aid, especially one that can be readily drawn upon when needed. resources, the collective wealth of a country or its means of producing wealth.
d) the principle by which the total value of a physical quantity or parameter (such as energy, mass, linear or angular momentum) remains constant in a system which is not subject to external influence is called conservation.