What is humus? The specific soil layer containing decayed animals matter and plants. It is very dark organically rich soil. It is natural sponge soaking up the rainwater to keep the soil moist. It is a black thick layer of the soil. The necessary black thin part inside the soil.
Задание

What is humus?Image

  • The specific soil layer containing decayed animals matter and plants.
  • It is very dark organically rich soil.
  • It is natural sponge soaking up the rainwater to keep the soil moist.
  • It is a black thick layer of the soil.
  • The necessary black thin part inside the soil.