Relacionar Columnas Butting HeadsVersión en línea ........ por Tea Cher 1 Creature 2 Bones 3 Helmet 4 Unusual 5 Relative 6 Butting heads 7 Bashing 8 Fossilized 9 Million years 10 Ancient 11 Layer 12 Sturdy hard parts of the body that make up the skeleton. thin sheet of something, such as rock, soil, or clothing. strong and not easily broken. hard hat that is worn on the head to protect it from injury hitting something repeatedly with force. fighting or arguing not common or expected. Plant or animal remains that are turned into stone a person who is related to you, such as a parent, child, sibling, or cousin. 1,000,000 years very old, often dating back to a time before recorded history. any living thing, such as an animal or a plant.