Question

“collaboration with the library’s scientists has helped us, quite literally, see through some of those layers and offer additional insights about our holdings.” state - of - the - art technology such as multispectral imaging, chemical analysis, x - ray fluorescence and fiber optic reflectance spectroscopy plays an important role in that success. what tone is the author using in the excerpt of \secrets revealed\? positive neutral negative

Explanation:

Words like "helped", "offer additional insights", "state - of - the - art", "important", "success" convey a positive tone.

Answer:

A. positive