Answer:
Explanation:
Weathering is a natural process of break down of rocks or minerals into sub-parts, sediments and others. The two broad categories of weathering which are responsible for breaking down of rock/minerals are:
1. Physical and mechanical weathering: It refers to the process by which the rocks are broken down into sub-parts. This process does not alter the chemical composition of the rocks. The agents such as temperature, pressure, and others.
2. Chemical weathering: It refers to the process by which the rocks are subjected to chemical treatment such as hydrolysis, oxidation, and carbonation. These treatments brings change in the chemical composition of the rocks which further causes the disintegration of rocks.
Answer:
South Asia has just become the worlds largest population cluster, overtaking East Asia in 2010.
Explanation:
This strip is called sahel
FARMING, FISHING,FORESTRY and mining are all examples of primary activities.
IT MIGHT BE B