Sinkholes are common where the rock below the land surface is limestone, carbonate rock, salt beds, or rocks that can naturally be dissolved by groundwater circulating through them. As the rock dissolves, spaces and caverns develop underground.
Sinkholes are formed when the land surface above collapses or sinks into the cavities or when surface material is carried downward into the voids. Drought, along with resulting high groundwater withdrawals, can make conditions favorable for sinkholes to form.
Answer:
Cultural Region
Explanation:
A cultural region is basically a geographic area in which the people have common traits. The people have always grouped themselves, and the basis for it has been their culture and their physical appearance.
This has resulted in creation of unique traits among different groups of people. That has created sense of unity, which has created strong bonds among the people of a particular cultural region, so even if they do not personally all know each other, they are often willing to fight together for their rights, freedom, or interests, and even give their life for it.
Unfortunately, this kind of distinction among the different groups of people has resulted in lot of conflicts, lot of suffering, discrimination and lot of injustices .
Answer:
by them building the pipes.
Explanation:
Answer:
West Africa’s Great Kingdoms
For hundreds of years, trade crisscrossed West Africa. For most of that time, West Africans did
not profit much from the Saharan trade because the routes were run by berbers, a group of
people from northern Africa. Eventually, that situation changed. A succession of three great
kingdoms came to power as their people, gained control of valuable trade routes in West Africa.
Ghanawas the first of these empires, followed by the kingdoms of Maliand Songhai.
Explanation:
The cause was a earthquake named The <span>Sumatra–Andaman earthquake </span>
