If you look on openstudy.com they have lots of answers to this :-)
Answer: I would say region
Explanation: The definition for region is an area having definable characteristics but not always fixed boundaries.
Answer:
Gitega is the capital of Burundi
The word minerals mean A formal definition of a mineral, as used by geologists would be: A naturally occurring inorganic solid that has a definite chemical composition, and an ordered internal structure. Geologists are able to identify minerals because they have characteristic physical properties.
Answer:
They prefer to use children in their businesses because they do not need to be paid, they can do unlimited work without getting any money. They cannot decline the work that is given to them.