Answer:
Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration.
Answer:
Silent Trade
Explanation:
Silent trade is a form of the old style of trading which is even more common to the West Africans.
It involves a situation whereby traders who do not understand each other's language, tried to perform trade.
To trade successfully, for example, PARTY A would leave trade goods in a secret but a known place to the buying party, and make a loud signal that good is left somewhere. PARTY B would then get to the place, examine the goods, and deposit their object of exchange that they wanted to exchange, and withdraw.
Option c. Central Asia served as a crossroads for centuries and has been heavily influenced by Mongol and Russian rule.
it means how much help is needed
so like if ur teacher asked you this they would be asking how much help you need on something until you understand.
