Learn. How to find out the age of a human foetus

The approximate age of a foetus can be determined by scanning the mother's abdomen with an ultrasound machine. This method is usually used at a clinic to check that a pregnancy is progressing well…

True and False. Equilibrium

Answer true or false: An object is in equilibrium when the sum of the forces acting upon it is equal to zero. If an object is in equilibrium it cannot be moving. A block at rest hanging on the cable of…

Learn. Noise pollution - Waves. Light and sound

Noise pollution Noise pollution is when there are sounds that are too intense and prolonged in a certain place. For example, sounds with an intensity higher than 55 decibels make it difficult for people…

Final Autoevaluation T12 07 - Waves. Light and sound

Answer: Name the primary colours. What are the primary colours of pigments? What color is obtained by mixing the colour red with green? What colour is obtained by mixing the colour magenta and cyan?

Final self-evaluation T02 04 - Liberal revolutions and nationalist movem...

Match each definition with the correct concept: The separation of the Church and state. Jacobin law that controlled prices and salaries. Public figure during the Napoleonic period that governed the…

Final self-evaluation T02 05 - Liberal revolutions and nationalist movem...

Match the following events from the First French Republic with the dates they happened: Flight to Varennes. The fall of the Jacobins. The Girondist Convention. The bourgeois republic. The Jacobin Convention.

Between absolutism and liberalism (1814-1833)

2.1. The restoration of absolutism (1814-1820) When Ferdinand VII returned to Spain in 1814, the country's elite were divided between the absolutists (most of the nobility and the clergy) and the…

Panorámica de la literatura del siglo XX

Convivimos en el mundo

Convivimos en el mundo Convivir en paz

La violencia contra la mujer

La violencia contra la mujer La discriminación de la mujer