Interpreta. Población activa por sectores económicos

Analiza la tabla y realiza las actividades: Indica si, en todos los países que figuran en la lista, la población que trabaja en el sector terciario es la más numerosa. Comenta las posibles…

Introducción - Los fenómenos migratorios

La característica más destacada de la población es su dinamismo: diversos factores, como la natalidad, la mortalidad y las migraciones han influido en su evolución a lo largo de la historia. Pero en…

Think about it. The physical properties of matter

Remember what you have studied in this section and answer the questions: Can solids be compressed? Give arguments for and against this idea. All materials expand when you heat them. Why? →…

Calculate. The speed of light

Calculate the distance in km that light travels in 20 s. d = km Calculate the distance in km that light travels in methacrylate in 20 s d = km If sunlight takes 8 minutes to reach Earth through the…

Check. Light and colours

Remember what you have studied in this section and answer the questions: What are the three primary colours of light? Why are they called this? What are the three primary colours of pigments? What do we…

Did you know...

Colonial society was structured according to race. Those born in Spain and their descendants in America (Creole people) were at the top of the social pyramid. There was also a rich bourgeoisie dedicated…

Complete. The economy expansion

Complete the sentences about economic expansion with the missing words: In the late 19th century, the low price of produced in the Americas caused an agricultural in Europe. The crisis was particularly…

Identify. The sides in conflict

Match each type of reform with the correct side in the Civil War: Agricultural reform was halted, and laws related to labour, society and autonomy were abolished. Committees made up of members of the…

La música barroca: la melodía acompañada

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