Andy Warhol

Nacido en Pittsburg (Estados Unidos), Andrew Warhol (1928-1987) fue la figura más influyente del Pop art. Entre 1945 y 1949, se graduó en dibujo y diseño, mientras los veranos trabajaba como…

Los medios de comunicación

Els determinants

Els determinants La gramàtica: morfologia nominal

Evalúa lo que sabes

Evalúa lo que sabes El léxico español

Learn. Spontaneous generation

How did Pasteur prove that the theory of spontaneous generation of living things was false? Why do we need to use heat to sterilise surgical instruments? Explain your answer.

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…

Upthrust and buoyancy in liquids

7.1. Archimedes' principle If we try to submerge a ball in a container of water, the water exerts a vertical upward force known as upthrust. According to Archimedes' principle: A body totally or…

Answer. Forces

Look at the different formulas and answer the questions: Which forces have the same meaning as F1? Which forces have the same magnitude as F1? Which forces have the same direction as F1?

Praise of the merchant class

In France, a nobleman is far superior to a tradesman. I do not know, however, who is more helpful to the State: the finely dressed gentleman who knows at precisely what hour the king rises, and has airs…

Look. A 19th century textile factory

Look at the illustration. What type of scene does it show? Who or what is the protagonist? What are the women doing?