La resistencia civil al nazismo

1. No debes ir a trabajar ni a Alemania ni a Noruega. 2. Debes trabajar mal y despacio cuando lo hagas para los alemanes. 3. Debes destruir todos los utensilios y máquinas que puedan ser útiles a los…

La descolonización

3.1. Las causas de la descolonización Entre las causas que favorecieron el proceso descolonizador, podemos destacar las siguientes: El deseo de independencia de la mayoría de la población de las…

La literatura en la edad media (I)

Libro de buen amor, del Arcipreste de Hita. [...]

Libro de buen amor, del Arcipreste de Hita. Coplas a la muerte de su padre, de Jorge Manrique La literatura en la edad media (II)

Photosynthesis and respiration

4.1. Photosynthesis Photosynthesis is the process by which solar energy, absorbed by chlorophyll, is used to convert carbon dioxide and water into glucose and oxygen. water + carbon dioxide + solar…

Final Autoevaluation T10 02 - Obtaining and using energy

Calculate the work being done: By a person who pushes a wheelbarrow for a distance of 100 m if he exerts a force of 500 N. W = J By a person pushing a very heavy block, failing to move, exerting a force…

The propagation of heat

Heat transfers from a hot object to a cold object by means of three mechanisms: conduction, convection and radiation. 6.1. Conduction Heat is transmitted through solid substances by conduction (figure…

Check. The reflection of sound

Remember what you have studied in this section and answer the questions: What is the reflection of sound? Explain an echo. Why is a minimum distance needed to hear it?

Identify. United States in its origin

Look at the map and match the state, city or country with the corresponding number:

Did you know...

A 'pronunciamiento' is a rebellion or coup by one faction of the army. It is usually led by someone in high command and carried out in order to replace one government with another. Although…