01. The author of Passage 1 thinks that Stonehenge was an observatory, while the author of Passage 2 thinks that Stonehenge was a holy site.
02. The author of Passage 1 thinks Stonehenge was built by prehistoric humans, while the author of Passage 2 thinks that Stonehenge
was built by the Celts in about 750 BC.
O 3. The author of Passage 1 thinks that the stones of Stonehenge were dragged over land, while the author of Passage 2 thinks the
stones were transported by glaciers or through water.
4. The author of Passage 1 thinks that the Heel Stone of Stonehenge had an astronomical purpose, while the author of Passage 2
thinks that the Heel Stone served as a tombstone in a burial ground.