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Water on Earth
| Question | Answer |
|---|---|
| What is the water cycle? | Continuous process by which water moves from Earth's surface to the atmosphere and back. |
| How is precipitation form? | Drops by rain, snow, sleet,or hail. |
| What is so important about ground water? | Fills cracks and spaces in underground soil and rock layers. |
| What happens after water evaporates? | Warm air carries the water vapor upward. |
| What main factors causes water vapor? | Liquid water changes to a gas to cause water vapor. |
| What is the percentage of the ocean water? | 97 percent. |
| What is the percentage of the fresh water? | 3 percent. |