Impact of desertification in africa

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

Your point of view - why is it important to remember the holocaust event in history?

Calculate the iq of a 20 year old who has the mental age of 25