Because the pencil is made of wood and you only changed the size and shape of the wood or pencil and did not change what the wood is made of the substance. + 25 others found this useful. Ben Miller. Edit.
There are 97 calories in 1 cup of grapefruit. A one cup serving of grapefruit contains 16 grams of sugar. Half a grapefruit has 52 calories, 8 grams of sugar. It also has 28% of the recommended daily dose of Vitamin A plus 64% of your recommended Vitamin C. Grapefruit is among a handful of fruits that is one the left side of the PEERtrainer Cheat System.
The fiber in grapefruit may help stabilize your blood glucose levels. Properties in grapefruit may also help lower your insulin levels, lessening your risk of developing diabetes, as well as a heart attack or stroke. If you have diabetes, eating grapefruit could help you lose weight and better control your blood glucose levels.