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ki77a [65]
3 years ago
13

1 ) HIV weakens the immune system by killing a. antibodies. c. helper T cells. b. B cells. d. killer T cells.

Biology
1 answer:
kondaur [170]3 years ago
5 0
1.)<span>a. antibodies
 2.)</span><span>b. its mechanism is well understood</span>
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