SOIL EROSION AND CONSERVATION

1234
Across
  1. 4. ________is defind as the wearing away of topsoil.
Down
  1. 1. In ________ the soil particles do not move from one place to another.
  2. 2. _____________is a farming done on mountains to prevent soil erosion
  3. 3. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.