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PSSA Vocab Unit 3
| Question | Answer |
|---|---|
| acid deposition | Precipitation with a pH less than 5.6 that forms in the atmosphere when certain pollutants mix with water vapor. |
| stream order | Energy and nutrient flow that increases as water moves toward the oceans (e.g., the smallest stream (primary) that ends when rivers flow into oceans). |
| topographic map | A representation of a region on a sufficient scale to show detail, selected man-made and natural features of a portion of the land surface including its relief and certain physical and cultural features |
| watershed | The land area from which surface runoff drains into a stream, channel, lake, reservoir or other body of water; also called a drainage basin. |
| wetland | Lands where water saturation is the dominant factor determining the nature of the soil development and the plant and animal communities (e.g., sloughs, estuaries, marshes). |
| hydrology | The scientific study of the properties, distribution and effects of water on the earth’s surface, in the soil and underlying rocks and in the atmosphere. |
| groundwater | Water that infiltrates the soil and is located in underground reservoirs called aquifers. |
| mitigation | The policy of constructing or creating man-made habitats, such as wetlands, to replace those lost to development. |
| lentic | Relating to or living in still water. |
| lotic | Relating to or living in actively moving water. |
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