For the software, see GrexIt (software) . The Greek withdrawal from the eurozone is the potential exit of Greece from the eurozone monetary union, primarily for the country or its government to deal with its public debt.
Major mountain range in California? The major mountain range in California is the Sierra Nevada range. It is in the eastern part of the state and runs from north to south for 400 miles.
If you are asking about the largest/longest mountain range in the world, that would be the Andes (complete: Cordillera de los Andes), which stretches the whole length of the western coast of South America.or the highest mountain range, that would be the Himalayas, which is located in Asia (of course, Mt. Everest is located here).