On what crop are many of Egypt’s exports based?

Egypt's major agricultural exports to the world are potatoes, cotton, and fresh fruit, primarily citrus. Most of Egypt's exports are destined for the EU, Russia, North Africa and the Middle East.

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.

answer; elasticity of the lungs decreases;