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.
How Many Calories In An Apple. Calories in an Apple (raw with skin) The Calories in an Apple range from approximately 53 calories for an extra small apple (2-12 inch diameter) up to about 116 calories (for a large apple of approximately 3-1/4 inch diameter). The vast majority of the calories in an apple come from carbohydrates.