If you add un- to the word happy, the new word becomes unhappy, which means not happy. When affixes are added to the end of roots or root words, they are called suffixes. The most common suffixes are -s and -es, which mean more than one (or the plural) of the word. Adding -es to wish, changes the meaning o the word to more than one wish. Download a copy of the Common Prefixes chart below.
Strongest Dog Bite Force Mastiff with a PSI of 556: This dog has a highest biting force when it comes to the force of biting. The Rottweiler is at a 328, the German Shepherd at 238 and the American Pitbull with 235
To explore the question of jaw strength, a 2005 National Geographic study measured force of bite for several creatures as pounds of bite pressure. On average, dogs exhibited about 320 pounds of pressure, while humans came in at 120 pounds and great white sharks at 600. The study also included a simulated bite sleeve test with a German shepherd, a Rottweiler and an American pit bull terrier. The pit bull actually registered the least amount pressure among the group, despite rumors that bully breeds can clamp down with an alarming 1600 pounds of force.