| A | B |
|---|
| humus | creates rich fertile soil |
| drainange basin | area of land from which all water flows into a particular river |
| resevoir | collect water in watershed areas and supply cities and towns with water |
| chemical weathering | water combines with other compounds to form acids |
| TDF's | trees that shed their leaves in fall |
| less chlorophyll | reason leaves change color |
| flowing water | adds oxygen to water |
| littered with boulders deposited by glaciers | North Shore beaches |
| rivers and streams | have flowing water |
| lakes and ponds | have standing water |
| adaptations | living things have them to help them stay alive |
| soil formation | process that occurs on the earth's surface over long periods of time as a result of weathering |
| dormant | what trees and plants do to prepare for winter |
| organic matter | when plants and animals die and decay |
| topsoil, subsoil and bedrock | layers of soil |
| when the course of the river becomes curved and winding | meanders |
| U- shaped areas | bends |
| when bends are cut off from the river | oxbow lakes |
| drainage basin | where all systems of water eventually drain and empty into |
