Rivers are powerful agents of erosion, transportation, and deposition. They erode rocks and soil from higher elevations and carry sediments downstream. Over time, this process creates valleys, gorges, and floodplains. When rivers slow down, they deposit sediments, forming deltas and fertile plains. Rivers also play a key role in soil formation and support ecosystems along their banks. Seasonal flooding replenishes nutrients, benefiting agriculture. Through continuous flow and sediment movement, rivers significantly modify landscapes and contribute to the development of human settlements near water sources.