Estudio sobre las actividades de evaluación en geometría propuestas en los libros de texto chilenos de Educación Primaria

Abstract

Intended data set in two seasons, including the provinces of North and South have been prepared on the basis of the material presented in each chapter, required tables are presented to illustrate the subject. Beach area linking water and land ecosystems and the interface of two distinct characteristics of each other. An evolving system of natural coastal environment and involves the most complex and productive on Earth at the same time Ghny¬Tryn Akvsystm¬Hay respectively. The area, regional transport and is extremely vulnerable, and since it is an acceptor Layndh¬Hay land and sea, the accumulation of enduring Layndh¬Ha threatened. Marine pollution and the effects of drought activities consequence of socio-economic development of the coastline and Hvzh¬Hay drainage The result of lots, the major problems in most parts of the world that directly affects coastal Zystgah¬Hay. Layndh¬Hay so different that each human relationship between the beach and the sea entered the ranking. Special protection. This Rio Earth summit in 1992 again "was stressed and in Article 13 of Chapter 17 of Agenda 21 in Rio in environmental protection marine shipping operations explicitly raised the issue of identification of sensitive sea areas and governments were asked to carry out appropriate measures in this regard.