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.
The 14 Best Apples for Cooking and Eating. All apples are good for you â a typical medium sized apple (3â in diameter) contains 4.4 grams of fiber (17% of the daily recommended amount) and 8.4 mg of Vitamin C (14% of the daily recommended amount).