Definition:
- River: A flowing body of water that moves in one direction, typically towards an ocean, sea, or another river.
- Lake: A large, still body of water surrounded by land.
2. Movement:
- River: Water is constantly moving and flowing downstream.
- Lake: Water is generally still, with only minor movements caused by wind or inflow/outflow from rivers or streams.
3. Source and End:
- River: Begins at a source (spring, glacier, or runoff) and ends at a mouth (sea, ocean, or lake).
- Lake: Often formed by depressions in the ground, filled
