For example, concerns over increasing concentrations of carbon dioxide in the atmosphere, and the implications this has for climate change, have led scientists to examine air trapped in rock and ice thousands of years ago.
(scientists; to examine; air trapped in rock and ice thousands of years ago) (air; trapped; in rock and ice thousands of years; T:ago) (concerns over increasing concentrations of carbon dioxide in the atmosphere, and the implications; have led; scientists; to examine air) Context(concerns over increasing concentrations of carbon dioxide in the atmosphere , and the implications have led,List([13, 148))):(this; has; )
concerns over increasing concentrations of carbon dioxide in the atmosphere , and the implications have led,List([13, 148))
scientists air concerns over increasing concentrations of carbon dioxide in the atmosphere, and the implications this
to examine trapped have led has
air trapped in rock and ice thousands of years ago
in rock and ice thousands of years T:ago
scientists to examine air