In 2020, Borry et al. developed an “ID” method for determining this substance’s source. Population trends in ancient settlements can be determined by comparing the amount of a certain 27-carbon stanol with its “epi” derivative in this substance. They’re not bog bodies, but “paleo” examples of this substance form protective outer shells thanks to the Maillard reaction. (-5[1])An extremely large example of this substance belonging to a Viking is named for Lloyd’s Bank. (15[1])The presence of this substance in the Paisley (15[1])Caves is some of the earliest evidence of (*) human habitation in North America. Mary Anning discovered the first coprolites, (10[1])which are fossilized examples of this non-hair substance (10[2])that can be analyzed to determine parasitic infections or diet. For 10 points, name this substance that, when used as fertilizer, is called manure. ■END■