Drilling deep into the ice and extracting ice cores gives scientists an unparalleled history of temperature, together with the fluctuating levels of the greenhouse gases methane and carbon dioxide in the atmosphere."
(Drilling deep into the ice and extracting ice cores; gives; scientists; an unparalleled history of temperature, together with the fluctuating levels of the greenhouse gases methane and carbon dioxide in the atmosphere)
Drilling deep into the ice and extracting ice cores
gives
scientists an unparalleled history of temperature, together with the fluctuating levels of the greenhouse gases methane and carbon dioxide in the atmosphere