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Watering Earth's Plants
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| Taking Care of Water |
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| | Things that come from Earth are called natural resources. |
| | Water and air are natural resources. |
| | Most of Earth's water is salty. |
| | There is a limited amount of fresh water on Earth. |
| | People need to save, or conserve, fresh water so that it does not get used up. |
| | You can conserve water by turning it off when you are not using it. |
| | When people put things in water and make it dirty, they pollute. |
| | It is important to keep water clean. |
| | People cannot drink polluted water. |
