Introducció - Llengua oral i llengua escrita. Tipus de textos

Introducció Llengua oral i llengua escrita. Tipus de textos

La variació lingüística

La variació lingüística La sociolingüística

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Think about it. What plants need

Remember what you have studied in this section and answer the questions: Why do plants sometimes need fertilisers to grow well? How does the way trees and animals get food differ? Which are autotrophs…

Did you know?...Coevolution

Coevolution is the process of evolution where some plants and animals evolve in a way that affects another organism. Some animals have developed a part of their body to help them drink nectar from…

Analyse a photograph

This photo shows an eruption of Mount Etna, in Sicily. Describe what you see in the photograph. Notice the lava flowing down the mountainside. What is it like? Do you think there could be any towns or…

Check. Materials that conduct and insulate heat

Remember what you have studied in this section and answer the questions: What are the three ways by which heat is propagated? Give one example of each. Does matter move in convection? And in radiation?…

Calculate. The nature of light (1)

Calculate how far light travels in air in 20 s. In 20 s, light will travel .

Unit 9: Motion and forces

Accelerate (v): to go faster; to increase in velocity. apparent weight (n): the total sum of forces acting on a body. area (n): a quantity which expresses the extent of a twodimensional surface.…

Final self-evaluation T01 07 - The 18th century: the Ancien Régime in cr...

Match each statement with the correct subject: The subsistence crisis is a period when crops fail and prices rise while rural people suffer hunger. The Spanish enlightenment thinkers insisted on the…