Which best describes how water's movement affects landforms? Select one 0 Mechanical weathering by water causes rock to break down, changing the shape of landforms Mechanical and chemical weathering by water cause rock to break down, and erosion by water causes the movement of pieces of rock. These processes all contribute to how water's movement affects landforms. O Chemical weathering by water causes rock to break down changing the shape of landforms Erosion by water causes the movement of pieces of rock, changing the shape of landforms​