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 U.S. Department of Agriculture nutrient database lists the caloric content of apples -- unspecified type -- based on size. The calorie count ranges from 77 calories contained in a small fruit to 116 calories in a large. The Washington State Apple Coalition states that a large 8-ounce generic apple contains 130 calories. A medium-sized Honeycrisp apple will fall somewhere in this range. Other Benefits