La gramàtica: morfologia verbal

The sense organs adapt

2.1. The sense organs The sense organs receive stimuli from the environment. They are usually found close to the surface at the front of the body. An animal's sense organs determine how it perceives…

Temperature and insect growth

The body temperature of an insect varies according to the temperature of its surroundings. This is why insects grow more quickly in summer and more slowly in autumn and winter. Each species has its own…

Matter is recycled and energy is lost in ecosystems

When living things die, decomposers use the organic material to obtain energy. In doing this, they turn the organic biomolecules into inorganic material again. The action of decomposers closes the cycle…

Calculate. Matter and its properties (2)

Calculate the mass of water produced when 20 g of hydrogen reacts completely with 160 g of oxygen. g of water.

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?

Describe. Blast furnaces

Describe air quality in the workplace.

Final self-evaluation T05 10 - Society and industrialisation in 19th cen...

Match the following statements with the correct concept: Group of buildings, including a factory and housing, located outside the town and near a river which was used as a power source. Type of engine…

On colonialism

There is another point that we should consider: the humanitarian and civilising effects [of colonisation]. We should all agree that the superior races have rights over the inferior races, because they…