Matter is recycled and energy is lost in ecosystems

When living things die, decomposers use the organic material to obtain energy. In doing this, they turn the organic biomolecules into inorganic material again. The action of decomposers closes the cycle…

Learn. Risks from volcanoes - Energy inside the Earth

Volcanic eruptions can cause loss of human life and material damage. This can be because of the material ejected from the volcano or as a consequence of the seismic activity which usually accompanies…

Final self-evaluation T05 10 - Society and industrialisation in 19th cen...

Match the following statements with the correct concept: Group of buildings, including a factory and housing, located outside the town and near a river which was used as a power source. Type of engine…

Interpret. Nazism and fascism

Which political regime do you associate with the picture? What do you know about it?

Identify. Causes and consequences of the 1929 crisis

Identify the causes or consequences of the following sentences: The crisis spread to the rest of the world when the U.S. banks withdrew their capital from Europe and American companies reduced their…

Final self-evaluation T9 06 - Crisis of the democracies and the Second W...

Choose the correct answer: U.S. political programme based on state intervention to improve the economy. Popular name for members of the Mussolini's Fasci di combattimento. Failed coup attempt by…

Choose. Spanish society

Choose the correct answer: The improvement in people's living conditions caused an increase in Spain's birth rate and a fall in the mortality rate,... Spanish migration was the highest it had…

La narrativa hispano-americana del siglo XX

Introducción - Convivir en paz

Introducción Convivir en paz

Antiguo testamento

Antiguo testamento Antiguo testamento