Complex sentence: Halley Research Station, run by the British Antarctic Survey, is located on the Brunt Ice Shelf floating on the Weddell Sea in Antarctica is a British research facility dedicated to the study of the Earth's atmosphere.
Split into simpler sentences: Halley Research Station, run by the British Antarctic Survey, is located on the Brunt Ice Shelf floating on the Weddell Sea in Antarctica. It is a British research facility dedicated to the study of the Earth's atmosphere.