Mountains dominate Washington's landscape, with historical volcanic activities shaping its geography.
Mountains dominate the state of Washington, particularly the Cascade Mountains and the Olympic Mountains. These mountain ranges contribute to the diverse and rugged topography of the state, influencing its climate and ecosystems.
Flood basalt eruptions in the past have also shaped the region, such as the Columbia River basalts that covered parts of Washington, Oregon, and Idaho, creating plateaus.
The Columbia Plateau region spans across multiple states, including Washington, Oregon, Idaho, and a small area of Utah, characterized by plains, plateaus, and well-drained soils influenced by geological events like Missoulian floods.
https://brainly.com/question/3140712