Informal trading is the term used to describe a method of carrying business as a street vendor or as an associate of one. A poorer individual can earn a living through activity such as food preparation or selling small items, this enables people to have immediate cash flow with little or no investment and the avoidance of paying tax.
The answer is Principalities were small territories that were run by Russian rulers.
A is the correct answer.
Dead Zones, especially in the Gulf of Mexico, are caused primarily by phosphorous and nitrogen loading from farms in the Midwest that run down rivers and down the Mississippi and into the Gulf of Mexico where they choke out life.
