Question

Explain, with the help of a diagram, the various layers of the land.

Answer 1

• Humus: Topmost layer, fertile layer formed by decomposition of remains of plants and animals. Immature
• Soil: Sand, soil, small stones, worms and insects.
• Layer of soil and small rocks: less soil and more rocks.
• Bedrock: main minerals are obtained from this layer; it determines the colour and texture of soil.