Paleoclimatologists study ice cores to investigate earth’s past climate.  they use methods such as oxygen isotope analysis.  which feature inside the ice are the scientists interested in analyzing and why?

Ithink d would be correct

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.

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