Charcoal-a form of non-crystalline carbon Graphite-crystalline carbon-known as 'pencil llead' (although there is no lead in it!). In graphit, the atoms are joined together in flat sheets. Diamond-crystalline carbon with the carbon atoms arranged differently from graphite-in a huge 3d matrix.
Life Span: The average life span of the Miniature Schnauzer is 15 or more years. Training: The Miniature Schnauzer is a smart dog who learns quickly. With methods that encourage and reward him, the Mini Schnauzer will pick up almost anything. He is a proven competitor in obedience and an eager and able agility dog.
DeanRichter/iStock/Getty Images. According to the American Kennel Club's breed standard, the miniature schnauzer should stand between 12 and 14 inches tall at the shoulder. Weighing in around 15 pounds, this little dog is a member of the terrier group. Originally bred to be a ratting dog, now he earns his keep by entertaining his family.