Ciclo biológico de las medusas

Con este recurso los alumnos entenderan el ciclo biológico de las medusas y como puede estudiarse en el laboratorio.

Instrumentos de percusión: Crótalos

Imagen de este instrumento de percusión.

Estado del bienestar - Wikipedia, la enciclopedia libre

Descripción del concepto del Estado de bienestar

Causes of the Industrial Revolution: The Agricultural Revolution

This is the opening chapter of the Causes of the Industrial Revolution, part of the ClickView original series The Industrial Revolution.

Influencias filosóficas. Habermas

Ampliación explicativa das relacións da filosofía de Habermas.

Identidad personal.doc

A timeline for China's one-child policy.

China's Communist party has scrapped its one-child policy, allowing all couples to have two children for the first time in more than three decades.

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Anyone can learn the basic concepts of Computer Science. Choose an intro activity to start learning.

Blood diamonds.

The blood diamond trade has dealt permanent scars to people and nations around the world, fueling civil wars, human rights abuses, child labor, and terrorism.

Wind Erosion: The Problem

This video discusses the issue of wind erosion. It discusses humans through destroying crops and other means.