Final answer:
The hydrologic and rock cycles are interdependent, shaping features like mountains, valleys, and rivers. The hydrologic cycle causes weathering and erosion, essential to the rock cycle, while tectonic forces and glacial activity from the rock cycle influence these features' structure and formation.
Step-by-step explanation:
The hydrologic cycle and the rock cycle are deeply interconnected processes that play a pivotal role in the formation of various geological features such as mountains, valleys, and rivers. Water from the hydrologic cycle causes weathering and erosion of rocks, which are fundamental processes in the rock cycle.
Mountains, like the Rocky Mountains and the Pacific Mountains and Valleys, are often the result of tectonic forces and the uplift of rock structures, a key component of the rock cycle. The hydrologic cycle influences these structures further through precipitation and the presence of glaciers that can carve and shape these elevated terrains.