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,…

Answer. Earthquakes

Which of the following does not help in the prevention of damage in earthquakes?

Write. Names and formulas (1)

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

Calculate. Matter and its properties (1)

84 g of nitrogen reacts with hydrogen to form 102 g of ammonia. Calculate the mass of the hydrogen required for the reaction. g of hydrogen.

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

Look. The British Parliament

Look at the illustration and indicate who attended the House of Commons. What role do you think each of them had? Discuss.

Initial evaluation T3 03 - The industrialisation of European societies

Complete this table with the characteristics of the two social classes of the capitalist system.

Initial evaluation T9 03 - Crisis of the democracies and the Second Worl...

The image shows the destruction of the synagogue in Frankfurt in 1938. Explain what you know about the persecution of Jews in Nazi Germany.

Final evaluation T12 05 - Spain under Franco (1939-1975)

What similarities and differences were there between the two early stages of Francoism: the post-war era and developmentism?