A great example of a physical boundary is a mountain. For example, the Pyrenees Mountains, which serve to separate France and Spain, are a physical boundary. So are the Ural Mountains which separate Europe and Asia. Along with mountains, oceans, seas, even deserts are examples of physical boundaries.
An average size apple weighs 6.4 ounces, which is equal to 180  grams. One apple contains approximately 91 calories and 3 grams of  dietary fiber.
So, How Many Carbs In The Apples? On a gram scale, the Rome apple on the left weighs 238 grams, while the Gala on the right weighs 139 grams. Since apples are 13% carbohydrate by weight, the carbohydrate content of each apple is: Rome: 238 X 0.13 = 30.9 grams of carb. Gala: 139 X 0.13 = 18.1 grams of carb.