Scientists drill into the ice sheet to retrieve a core sample and then analyze the details in the ice to determine variations in precipitation, temperature, and atmospheric conditions over time.
(Scientists; drill; into the ice sheet; to retrieve a core sample and then analyze the details in the ice) Context(Scientists drill,List([0, 16))):(Scientists; drill to retrieve; a core sample) Context(Scientists drill,List([0, 16))):(Scientists; drill to analyze; the details; to determine variations in precipitation, temperature, and atmospheric conditions over time; T:then)
Scientists drill,List([0, 16)) Scientists drill,List([0, 16))
Scientists Scientists Scientists
drill drill to retrieve drill to analyze
into the ice sheet to retrieve a core sample and then analyze the details in the ice
a core sample
the details to determine variations in precipitation, temperature, and atmospheric conditions over time T:then