The answers are as follow:
7. A.
The Africa continent is richly bless with all kind of mineral resources in high quantities. Different minerals can be found in various African countries in varied quantities. Out of all these mineral resources, the ones which African has in rich quantities include diamond, gold and oil. The African continent provides 46% of the world diamond and 21% of the world gold. The continent is also rich in oil.
8. B
Government revenue refers to those money which the government generate; government uses this money to cater for the public and their needs. The amount of revenue to be spent on different categories of needs are usually determine at the beginning of every fiscal year. African governments typically devote a small percentage of their revenue to interest payment.
9. B
Despite the rich mineral resources which are found on the African continent, the continent is a very poor one due majorly to corruption and lack of efficient management of resources. The countries in the south of Africa seems to be better off financially that those in the sub Saharan part of Africa.
Answer:
(opportunity cost) A comparative advantage is the ability of a country to produce a particular good or service at a lower opportunity cost than another country.
Explanation:
The ability of producing a product or a service at a reduced cost of production than that of the competitors is referred to be an absolute advantage. The ability of producing a product or a service at low opportunity cost than that of the competitors is referred to be Comparative advantage. When a product is produced in an efficient manner than a competitor which is at a reduced it is an absolute advantage. Comparative advantage means that, instead of producing some other goods at some costs, a particular good can be produced at a lower cost. This is also termed as an opportunity cost.
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Because of the vast area of China that is covered with mountains that make it hard to inhabit said areas.
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