Iron rich minerals in rock pointed in one direction the switch to the exact opposite direction. I'd say that what supports this idea is that <span><u>Earth's magnetic field goes through pole reversals.</u></span>
Answer:
Deforestation
Explanation:
Sub-Saharan Africa simply refers to the southern part of the African continent which covers many of the countries. It covers a large geographical area. The area faces a lot of environmental problems that mostly includes the pollution such as water, soil, air, mining activities also affects the area, deforestation, and climate change.
From the above give options, deforestation is the major environmental problem in the Sub-Saharan Africa.
B. Two continental plates colliding
There are only three groups and these groups that conquered North Africa at one time or the other are the Romans, Muslim Arabs, and the Phoenicians. These groups have developed colonies in North Africa. One example is the Phoenicians who built colonies to the Atlantic from the Tripoli. Also, during the conquest of the Muslim Arabs, this started the spread of Islam all over the country.
Answer:
Lack of resources such as water, gas etc and proper place for living.
Explanation:
Lack of resources such as water, gas etc and proper place for living are the problems that the people would face living in this part of Kolkata because this part is located at the edge of Kolkata. Due to far from city, no resources were provided by the government to this region which causes major problems to the people that are living there so due to located on the edge, experience more problems.