1. Elabora, a partir de la información que se presenta, una línea del tiempo que represente el último siglo de la historia de El Salvador.

What are the impacts of french revolution

What is federalism? what is federalism

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.