Las fases del conflicto bélico (1914-1918)

La Primera Guerra Mundial (1914-1918) fue denominada por sus contemporáneos como la Gran Guerra, porque nunca, hasta entonces, un conflicto había implicado a tantos países y seres humanos. 3.1. [...]

Las consecuencias de la guerra

4.1. Los tratados de paz En enero de 1919 se inauguró en París una conferencia para establecer las condiciones de paz. Asistieron 32 países, pero las decisiones fueron tomadas por las cuatro grandes…

Els semes, components dels mots

Els semes, components dels mots El significat dels mots

Diferentes formas de hablar

El teatro en el Barroco. El Neoclasicismo

The formation of seeds and fruits

5.1. The formation of the seed After fertilisation, the petals, sepals and stamens wither and fall off. The style and the stigma often also fall off. Only the ovary remains, containing the fertilised…

Analyse. A text

Polyembryony Polyembryony is a type of sexual reproduction in which an embryo fragments into several identical embryos. They each develop independently. The young of each litter are of the same sex, as…

Interpret. The behaviour of molluscs

Look at the picture and answer the questions: Look at the drawings. Explain what is happening. What is the stimulus for this behaviour? What is the response? Is this an innate or acquired behaviour?…

How are folds formed?

For a rock to bend without breaking, certain conditions are necessary during the process of deformation: The rock must be under great pressure and at a very high temperature. This gives the rock a…

Final Autoevaluation T12 01 - Waves. Light and sound

Answer these questions: What two different waves can be classified? How can there be two different types of light sources. List some examples of linear propagation of light.