[" 16.Water filled in two glasses "A" and "B" have Boper respectively in the S.F."],[" statement regarding them,is: "A" have BOD values of "10" and "20" ,respectively "],[" (a) Both "A" and "B" are sutable for dirinking "],[" (b) "B" is more polluted than "A],[" (c) "A" is suitable for dringking,whereas,"B" is not "],[" (d) "A" is more polluted than "B]