B. Their remote location has kept out invaders.
Santiago is the name of Chile's capital and largest city, <span>sits in a valley surrounded by the snow-capped Andes and the Chilean Coast Range. </span>
I'm pretty sure that it is oil because that is what most of the countries over there use it, making it a trend.
The informal sector lacks land, capital, and technology, and can be less productive than formal enterprises, however, it can improve individual earnings and add money into the economy. It is the access to the market and power to purchase that can assist the productivity of the informal worker. If products can be sold on a cheaper mass scale to informal workers to use as a resource, this could help improve this sector to be more meaningful.
Measurement and Data
A Global Network
Secular Variation and Earth's Core
Crust, Ocean, and Mantle
Quiet Time Variation and the Ionosphere
Magnetic Storms and the Magnetosphere
i gave you six because im not sure im right but i hope it helps im sorry if they are wong tho :/
