Question

geographic regions in washington which geographic region borders the pacific ocean and is located in the northwest corner of washington? willapa hills cascade mountains olympic mountains columbia basin

Explanation:

The Olympic Mountains are located in the northwest - corner of Washington and border the Pacific Ocean. The Willapa Hills are south of the Olympic Mountains. The Cascade Mountains are in the central part of Washington and do not border the Pacific Ocean directly. The Columbia Basin is in the eastern part of Washington and is far from the Pacific Ocean.

Answer:

C. Olympic Mountains