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So what could happen?
If Earth gets hotter, some of the important changes could happen:
- Water expands when it's heated and oceans absorb more heat than land, so sea levels would rise.
- Sea levels would also rise due to the melting of the glaciers and sea ice.
- Cities on coasts would flood.
- Places that usually get lots of rain and snowfall might get hotter and drier.
- Lakes and rivers could dry up.
- There would be more droughts making hard to grow crops.
- Less water would be available for drinking, showers and swimming pools.
- Some plants and animals might become extinct because of the heat.
- Hurricanes, tornadoes and other storms which are caused by changes in heat and water evaporation may get more common.
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