Final answer:
Water is the most powerful agent of erosion, causing changes to the Earth's surface through rain, rivers, and waves.
Step-by-step explanation:
The most powerful agent of erosion is water.
Water erosion can occur through various processes including raindrops, rivers, and waves. Raindrops can dislodge soil particles and carry them away, while rivers can carve out valleys and gorges over time. Waves can erode coastlines and shape various landforms such as cliffs and caves. Overall, water is the primary force behind shaping the Earth's surface through erosion.
Learn more about Water erosion