I give a brainliest who answers this question. What kind of chemical reaction does this energy diagram show? look the Photo.

A) exothermic

B) endothermic

C) ionic

D) mass creating

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