INDIAN GEOGRAPHY

SOILS AND NATURAL VEGETATION

SOILS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When soil is being formed, the first step is:
A
weathering of rock
B
mixing with humus
C
mixing with air and water
D
none of above
Explanation: 

Detailed explanation-1: -Rocks which are acted upon by the forces of nature like water, wind, and the heat of the Sun, disintegrate into many pieces. This process is called weathering and it is the first step in soil formation. Q. Weathering is the first step in the process of soil formation.

Detailed explanation-2: -Soil forms through the mechanical and chemical weathering of rocks and sediments, and the accumulation and decay of organic matter. The factors that affect the nature of soil and the rate of its formation include: Climate, especially average temperature and precipitation amounts, and the consequent types of vegetation.

Detailed explanation-3: -Soil formation begins with the physical and chemical breakdown of the earth’s rocks, caused by atmospheric agents. These processes, known as weathering, chip away rock fragments and thus modify its inherent physical and chemical characteristics.

Detailed explanation-4: -Soil formation starts with the weathering of rocks. Over a period of time, the rocks break and disintegrate into many pieces. This process, called Weathering, is the first step in soil formation.

There is 1 question to complete.