What is the main agent driving erosion?

Water is recognized as the primary agent driving erosion due to its ubiquitous presence and its ability to transport and shape materials. It can occur in various forms, including rain, rivers, glaciers, and ocean waves, each contributing to different erosion processes. For instance, flowing water in rivers can wear away the banks and bedrock, while rain can lead to the breakdown of soil and rock through processes like splash erosion and surface runoff.

Additionally, water's ability to dissolve minerals and carry sediments makes it particularly effective at reshaping landscapes over time. The movement of water can lead to significant geological changes, such as the formation of valleys and canyons, illustrating its dominant role in erosion compared to other agents. While wind, ice, and gravity also play significant roles in erosion, particularly in specific environments or conditions, water's widespread impact and versatility in various scenarios make it the main driving force behind erosion processes globally.