Population ____ the number of people who live in a particular area. The population of the world ____ the same. At the moment it ____ at an increasing rate. In fact, scientists ____ that the world population will increase until 2200, and then stop growing. However, things are not the same in all parts of the world. At present in many Western industrial countries the population ____. This ____ because families are small, and health conditions are good. In developing countries, on the other hand, the population ____ sharply. In Ghana, for example, most families ____ several children. Many children in Ghana ____ from illness, so it is important to have lots of children. They earn money for the family and ____ their parents in old age.

Present Simple vs. Present Continuous

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