Answer:
i'd say that Sub-Saharan Africa is really poor, and whilst there are people whom are trying to help them, there just isn't enough people willing to contribute to helping the Africans
Explanation:
Density, because the core is made of metals like iron and nickel
Migration helps in improving the quality of life of people. It helps to improve social life of people as they learn about new culture, customs, and languages which helps to improve brotherhood among people. Migration of skilled workers leads to a greater economic growth of the region.
Hope it helps:)
