1) Back row of many a choir 2) Barbershop voices 3) Choir members 4) Choir section 5) Choir voices 6) Chorus section 7) Chorus voices 8) Deep tones 9) Doo-wop group members 10) Heavy strings 11) Low male voices 12) Low men on the scale 13) Low parts 14) Low singers 15) Low strings 16) Low voiced singers Found on https://www.crosswordclues.com/clue/basses
Compounds that make water Alkaline. If water contains more acids than basses it's acidic. If it has more basses than acids it's alkaline. Found on https://www.encyclo.co.uk/local/23227