The northern european plain stretches from the atlantic ocean to
a. appalachian mountains
c. eurasian peninsula
b. ural mountains
d. pacific ocean

Appalachian Mountains are in North America, so it can't be the correct answer.

Also I don't know of anything called "Eurasian Peninsula" - also false.

They don't reach the Pacific - that would mean they cover all of Asia!

So the correct answer is: b. Ural Mountains

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser