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What is a population pyramid?

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Which are the three main factors that cause population change?

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In 1999, the world population reached

Complete the sentences below using some of the following words:

Sparsely, favourable, fallow, artificial, fertile, natural, extreme, densely.

When people are attracted to an area it becomes ________populated. Factors that influence this include________ climate, good supplies of _________ resources and _______ land.

Discuss the characteristics of a society with “too many under 15s” and one with “too few under 15’s”.

Hint: need for schools, pension schemes, teachers, toys, wheel chairs, labour supply, hospitals.