The answer is A, Crystallized Intelligence.
Angola has the highest GDP of all the central African countries. Does that answer your question?
To describe the amount of money commonly paid for any commodity, Adam Smith invokes the "invisible hand of the market" as a metaphor of supply and demand.
What is your Q?
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Answer:
A. Plains located to the south of the Himalaya are lacking in rivers.
Explanation:
There major rivers originate in the Himalayas and flow in different directions over long distances before dumping into the sea. They are the Indus, Ganja and the Brahmaputra rivers.
There are several tributaries that drain the plains to the south of the Himalayas and then feed the Indus river.
The direction of flow of the indus river is initially to the west and then it flows southwards towards the arabian sea.