Unfortunate test answers

The school year has begun, and therefore it is once again time for some unfortunate test answers.

After working for two weeks on a map of the state of Washington, I gave them a 20 question quiz on the state. These were basic, non-Jeopardy level questions. Behold the answers:

Question:
1) what serves as the border between Oregon and Washington?
-a draw bridge
(should be Columbia river)
other answers included "idk" and "a river and a body of water"

2) If you are in Bellingham and drive North for 2 hours, where will you be?
-Spokane
(should be Canada)

3) If you are in Spokane and drive east for two hours, where will you be?
-The Atlantic Ocean
(should be Idaho)

4) Handford Reach National Monument is located on what body of water?
-Eerie Lake
(should be the Columbia)

5) What physical feature is highest in elevation in this state?
-timber (possible answers are: mountains, the Cascade mountains or Mt. Rainier.)

6.) What is the major industry of the Coastal Range in Washington?
-mountains (timber, commercial fishing or tourism would have been accepted)

7.) Washington State University is located in Pullman, WA. In what REGION do WSU students live?
Answers given by students:
-puget sound
-Spokane
-Pullman
-Seattle
Answer? Columbia Plateau

8.) Washington has two major mountain ranges, what are they called?
Mt. Rainier and Mt. Everest