What are the barriers of economic developedment

there are two main types of historical sources: primary sources and secondary sources. a primary source is something that originates from the past. it can be a chronicle, a piece of pottery, or even a piece of glacial ice that gives us climate data about the levels of atmospheric carbon one thousand years ago.

> la jirafa: the giraffe

> el loro: the parrot

> la tortuga: the turtle

> el cerdo: the pig

> la vaca: the cow

> la araña: the spider

> el tiburón: the shark

> la langosta: the lobster

hope that !