How are archaeologists and forensic anthropologists different

The difference between forensic archaeologists and forensic anthropologists is that where forensic anthropologists are trained specifically in human osteology and recovery of human remains, forensic archaeologists specialize more broadly in the processes of search and discovery. Archaeologists investigate historic and prehistoric sites and physical remains to understand human links to the past and to preserve past cultures. ... Before, during, and after the dig, the archaeologist records notes, images, soil samples, maps, measurements, and other information about the archaeological site.

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i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"