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.
Sugar in Apples. One large apple contains 130 calories and 34 g of carbohydrates, including 5 g of dietary fiber and 25 g of sugars. Apples have more carbohydrates and sugar than most other fruits. Other fruits with similar amounts of sugar include watermelons and grapes, with 20 g per serving, and bananas, with 19 g per serving.