bears are hibernating
There are a great number of things that could cause air pollution. These things include but are not limited to cars.
pollution, diseases, crime, slums, all those great things
Africa is known for their great safaries
The great grasslands of Africa is the savanna.
Yes, the Great Rift Valley in Africa is primarily formed by the movement of tectonic plates along a divergent boundary. The African Plate and the Somali Plate are moving apart, causing the Earth's crust to stretch and crack, creating the rift valley.
You are one with the nature. You can see a lot of things that people pay a lot of money for, for free.
There are more than 4 great lakes in Africa. These are the ones I have found.Lake_VictoriaLake_TanganyikaLake_MalawiLake_TurkanaLake_Albert_(Africa)Lake_KivuLake_Edward
In the 1700s, Africa and Portugal traded, but this would lead to great problems. This began the slave trade, which would, only much later, be realized as the inhumane monstrosity it was.
Eastern Africa
It is the duty of the sociologists to study human society - including social injustice, poverty, and other things causing both harm to humans and good. It is not required that they fight it, simply that they learn of it. That is not to say that none will fight it; I should imagine that a great many of them go on to end the problems about which they have studied.
The Great Escarpment
There is a great deal of diversity within African countries. -Natural resources vary widely across the continent.