The document discusses the geological processes of weathering, erosion, and deposition that shape the Earth's landforms over time. Weathering breaks down rocks into smaller pieces through the action of water, ice, wind and other forces. Erosion is the movement and transport of weathered rocks and soil by agents like wind and water. Deposition occurs as eroded pieces are deposited in new locations, slowly changing the Earth's surface daily through accumulation. These natural processes continuously reshape the planet over both short and long timescales.