Which answer choice best completes the sentences? Thean inclined plane the work needed to move an object up it.

A. shorter, more

B. shorter, less

C. longer, more

D. longer, less

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