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Unit 11: The Earth's population
EduBook Organización
- 7370 visitas
Active population (n): the part of the population that is of working age. aging population (n): when the average age of the population increases. This happens when people live longer and have fewer…
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True/false. The Earth's population
EduBook Organización
- 6696 visitas
Are the following statements true or false?: Population refers to the total number of people who live in a particular area; the study of population is called demography. Demography also affects changes…
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Unit 11: Towards a global system
EduBook Organización
- 4276 visitas
Brain drain (n): a situation in which the most skilled workers in less economically developed countries (LEDCs) go to work in more economically developed countries (MEDCs). chain (n): a number of…
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Analyse. Immigration in Spain in 2010
EduBook Organización
- 4087 visitas
Look at the table and do the activities: What countries do immigrants in Spain come from? And from which continents? Where did most of the immigrants come from in 2010? Can you explain why? Look at the…
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The return of urban life
EduBook Organización
- 3648 visitas
1.1. Increased agricultural production and population growth At the end of the 11th century, the number of wars and invasions decreased sharply. This period of peace allowed for advances in agriculture.…
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Analyse. Literacy in the world
EduBook Organización
- 3405 visitas
In this unit, you have studied indicators that measure levels of inequality between countries. One of the most important indicators is the literacy rate, and another is the GDP per capita (total wealth…
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AIDS | Educational Resource | HIV, the virus with multiple changing faces
Xplore Health Organización
- 1 lo usan
- 2928 visitas
What is HIV? What does its replication cycle look like? How is it transmitted? This video will provide the answers to these questions, and will give you information on the number of people affected, the…
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Abiotic factors
EduBook Organización
- 3226 visitas
2.1. How do abiotic factors affect living things? Abiotic factors determine the distribution, size and number of living things, and even their capacity to reproduce. The most influential abiotic factors…