watershed

2. Contaminants that degrade water quality, often from industrial activities, agriculture, and improper waste disposal.
3. The source of a river or stream.
5. The arrangement of the natural and artificial physical features of an area.
7. Water that flows over the ground surface rather than infiltrating into the soil.
9. Cycle The continuous movement of water through the atmosphere, surface, and groundwater.
11. Collecting and storing rainwater for future use.
14. The process by which water changes from a liquid to a gas or vapor.
15. Any form of water that falls from clouds and reaches the ground, such as rain, snow, sleet, or hail.
17. The process by which water enters the soil and becomes groundwater.
19. Water Water that is found on the surface of the Earth, such as rivers, lakes, and reservoirs.
20. Benefits provided by natural systems, including clean water, flood regulation, and habitat provision.

1. Water stored in aquifers beneath the Earth's surface.
4. The process by which water vapor in the air is changed into liquid water.
6. Strategies to protect and manage water resources, including sustainable practices and reducing pollution.
8. An area of land that drains into a particular water body.
10. Excessive withdrawal of water for agricultural, industrial, or domestic use.
12. A geological formation that can store and transmit groundwater.
13. The primary pathway through which water flows in a watershed.
16. The end point where the watershed drains into a larger body of water.
18. Smaller streams or rivers that flow into a larger one.