España en la esfera internacional

4.1. España en la Comunidad Económica Europea Tras el restablecimiento de la democracia, bajo la presidencia de Adolfo Suárez, España realizó la petición de ingreso en la Comunidad Económica…

Investiga. La mujer en la España actual

En los últimos veinticinco años se ha producido en España un notable incremento de la participación de la mujer en la vida política, social y laboral, respaldada por la Constitución que consagra…

La lengua en la sociedad

Interpret. The pollination

Do you think that the two types of flowers have the same type of pollination? Which of the two flowers could be pollinated by the wind? Which characteristics make this more likely? Why is the other type…

Define. These words

Sexual reproduction Asexual reproduction Pollination Fertilisation Germination In vitro cultivation

End-of-unit activities - Animal reproduction

Reproduction is the only vital function that is not needed to keep an individual alive. It ensures the continuation of the species. Although sexual reproduction is a universal characteristic of animals,…

Order. Types of substances

Look at the following table of specific heats measured in kcal / (kg · ° C): Organise the time (low to high) required to heat the following materials: copper, aluminium, sand and water. Will the order…

Calculate - End-of-unit activities

A person travels from Spain to the United States, where the temperature is measured in degrees Fahrenheit instead of degrees Celsius. How would you make the conversion between one system and another? To…

Complete. Agricultural transformations

Complete the sentences about agricultural changes in the middle of the 18th century with the missing words: A series of Enclosure were passed in Great Britain that enclosed open and common land,…

Describe. A bourgeois mansion

Describe the rooms, furnishings and conveniences of this home. Compare life there for the owners and the servants.