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…

El signo

La lengua en la sociedad

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,…

Match. The basic function of living things

Indicate which basic function of living things is reflected in each of these cases: A wolf sniffs the trail of a boar. A cheetah eats a gazelle. A rabbit hears a noise and hides in the grass. Two big…

Classify. The sense organs

Classify the organs described below using the two criteria given:

Complete. Trophic relationships in ecosystems

Complete the table.

Write. Names and formulas (1)

Write the formula for each of these compounds: Nitrogen tribromide Sulphur dioxide Carbon tetrafluoride Lithium bromide

Final Autoevaluation T12 04 - Waves. Light and sound

Answer these questions: How far does light travel through water in 10s? d = km How far does sound travel through air in 30s? d = km

Identify. The stages of the French Revolution

Match each stage of the French Revolution with the corresponding events: