Celery is an excellent source of vitamin K and molybdenum. It is a very good source of folate, potassium, dietary fiber, manganese, and pantothenic acid. Celery is also a good source of vitamin B2, copper, vitamin C, vitamin B6, calcium, phosphorus, magnesium, and vitamin A (in the form of carotenoids).
That is about 43 quintillion ways to solve a Rubik's cube.
We divide the Rubik's Cube into 7 layers and solve each group not messing up the solved pieces. Practice the moves, memorize the algorithms until you can solve the Rubik's Cube without help.