Final Autoevaluation T12 07 - Waves. Light and sound

Indica si son verdaderas o falsas estas afirmaciones: El tono de un sonido se mide en decibelios (dB). Los sonidos de más de 140 dB pueden llegar a romper el tímpano. El timbre del sonido puede…

Final evaluation T06 10 - The age of imperialism

In the race between the European powers to dominate the world at the end of the 19th century, why was it Africa that came under almost complete colonial control?

Final evaluation T07 03 - Art in the 19th century

Who were the main artists and architects of the neoclassical period?

Analyse. Strikes in Spain (1928-1936)

How does the information in the graph reflect increasing social tension at the time?

The Socialist programme

The general crisis, in addition to our deficient economic structure, which is a legacy of the past, means that today we face four fundamental problems: unemployment (…), inflation (…), a balance of…

Profesión. Oficios

Our world

Otros instrumentos populares

Otros instrumentos populares La Navidad

Test de aptitud física

Universal History of Educational applications

Estudio de Historia Universal en inglés