Soil Formation
Soil Formation
Soil Formation : The uppermost layer of the Earth surface is called soil. It is usually composed of a thin layer of minerals which include sand, mud, and rock particles, and a layer of dead and decayed plant and animal remains called humus.
Soil formation is a slow, stepwise process. It takes thousands of years to form a layer of soil just a few centimetres thick. It is a result of continuous breaking down of rocks by a process called weathering.
Factors affecting Soil Formation : There are a number of factors which affect soil formation, namely, climate, characteristics of the parent rock, and slope of land.
On flat plains, soil remains relatively undisturbed leading to the formation of a thick layer.
define weathering? | |||
| Right Option : A | |||
| View Explanation |
_____________________ is usually present as a thin film around the soil particles. | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following factors affect the nature of soil ? | |||
| Right Option : A | |||
| View Explanation | |||
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