What body changes occur in a bear to allow it to sleep for weeks or months without eating?
The bear when asleep the stomach eats the fat an the muscle of the bear so it can go months with out food.
If you are divorced in Alabama where there is a 2 month waiting period before remarrying what state would allow you to marry without waiting 2 months?
While not universal, most applications will allow you to save a file or document for the first time by going to File > Save As. Subsequent changes to the file can be made by going to File > Save. Also after making changes to a document, when you try to exit the program without saving, it will ask to confirm and allow you to save the document.