17.Addition of hydroxide ions to a solution will Select one : O have no effect on acidity OB increase the acidity O C. buffer the solution . O D. decrease the acidity

Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i

which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)

Which process takes place last in the human being which process takes place last in the development of a human being