Lorcan and Hannah Word Scramble
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| Term | Definition |
| Fluctuate | to rise and to fall |
| Birth Rate | The number of births per 1000 people in one year |
| Death Rate | The number of deaths per 1000 people in one year |
| Population explosion | the population growth when most babies are born to survive to become adults and to have children of there own |
| Baby boom | When there's a massive increase of babies being born |
| Population Cycle | A drawn up model to help us to understand how a population increases over time |
| Crop rotation | Growing a different crop in the same field each year in order to reduce the risk of pests and to prevent soil exhaustion |
| Colonisation | One country takes political control over another country |
| Irrigation | Supplying dry agricultural land with water through canals or plastic piping, so that crops can grow |
| Feminist Movement | A pressure group started by women to achieve equality with men |
| Population distribution | The dispersal of people in the world |
| Population Density | The average number of people living in a square kilometre |
| Biofuels | Energy sources that can be extracted from corn, sugar canes, grasses and organic waste |
| Desertification | The spread of a desert due to drought, over grazing and tree felling. |
Created by:
LorcanLee16
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