The two spectra below belong to acetic acid (ethanoic acid) and its isomer, methyl formate (methyl methanoate). Which spectrum corresponds to which compound? Explain your answer. 
(Spectra obtained from SDBSWeb: http://www.aist.go.jp/RIODB/SDBS)
Definitions:
Mammal Species
Members of the class Mammalia, warm-blooded vertebrates characterized by the presence of mammary glands, which females use to feed their young.
Evergreens
Trees or shrubs that retain their leaves throughout the year, remaining green and functional across seasons.
Mosses
Small, non-vascular plants that typically grow in dense green clumps or mats, often in damp or shady locations.
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