The correct answer is Pachyrhinosaurus, since it is from Ceratopsid family. Ceratopsid is a family of dinosaurs in which Triceraptors are also included. <span>Pachyrhinosaurus and Triceraptors have the same physical features. </span>
<span>B)Lyndon Baines Johnson was sworn in as the President of the United States. </span>
China had a dynasty for awhile and the other person is wrong