    jentence 1:.0f particular significance --  hé Anierican. public. has‘becoime acutely  ware’.of the hazards to their health,  including the risk of mortality, posed by  inhalation of fine’ partictes and exposure  © mercury through fish consumption.    entence.2: The. Amefican public is: stitl  ery “unaware of the health: risks of  inhaling small particle    