Because there are different parts of South America.
Yes
The continent that is cut into two equal halves by the tropic of Capricorn is Australia. It also crosses South America.
Homogeneous
When particles separate and spread evenly throughout a mixture, it is called diffusion.
This helps you to know how people are dispersed. You might have a large number in an area, but if they are dispersed evenly throughout, it won't seem as large.
due to desert hot climate
firstly, africans are divided ammong themselves- this is facts- they are constantly fighting each other, therefore one finds that there is a constant level of migration in the African populace. in addition, Africa is a huge continent. (if I'm wrong please correct, thanks).
no
Yes
a solution
diffusion
no