#1. A new discovery of a dinosaur fossil in Antarctica has confirmed the idea that dinosaurs lived not only in the Northern Hemisphere but in the Southern Hemisphere as well. Up until this discovery, scientists had found dinosaur remains on every continent except Antarctica. This new discovery now confirms the idea that dinosaurs were distributed worldwide. If the dinosaur fossil is shown to be related to other dinosaurs of the same period in South America, it will also support the idea that South America and Antarctica were once linked together. One can understand from the passage that _____.
scientists had long since realized that dinosaurs had actually lived in Antarctica
dinosaurs were in fact, more commonly found in the Southern Hemisphere
dinosaurs, at one time in the past, lived in both hemispheres