Potenciación del transporte público

El transporte por carretera, especialmente el transporte privado, origina una serie de costos personales y ambientales, como son ruido, humo, accidentes, aumento del efecto invernadero… Para evitar,…

Sabías que…

La cuestión de Alsacia-Lorena enfrentaba a Alemania y Francia desde hacía siglos. Estos dos territorios fronterizos, en los que vivía un importante contingente de población de origen alemán y de…

Sabías que…

El régimen franquista adoptó el término fascista de "democracia orgánica" para definir su sistema político frente a la democracia liberal. En este sistema, los miembros de las instituciones…

El sintagma verbal predicado

El sintagma verbal predicado El texto

El sintagma nominal i el sintagma verbal. L'oració

Final Autoevaluation 1.01 - Plant nutrition

J. van Helmont's experiment Van Helmont (1577-1644), a Flemish doctor and chemist, thought that in addition to water, air and substances in soil, other elements must be necessary for plant…

Biotic factors

3.1. Biotic factors Biotic factors are the relationships between living things. They vary according to the organisms involved and are classified as: Intraspecific relationships, where individuals of the…

The Indonesian earthquake

On December 26, 2004, there was an earthquake in the Indian Ocean which measured 9.2 on the Richter scale. It caused a series of tsunamis which affected the coasts of Indonesia, Thailand, Sri Lanka,…

Final Autoevaluation T07 04 - Energy inside the Earth

Choose the correct word to complete the sentence: Earthquakes caused by the friction of rock masses are called... Tectonic earthquakes are of magnitude... The frequency of volcanic earthquakes is... The…

Final Autoevaluation T12 05 - Waves. Light and sound

Sound and Noise Spain is the second noisiest country in the world after Japan. Especially in the big cities, people live surrounded by noise from traffic and construction work. This situation means that…