The system that recognizes foreign molecules and acts to immobilize, neutralize or destroy them is the

answer; the mercertator creation, is the correct answer to the above question; ///good luck

you probably know the answer. stop asking stupid questions and making me waste my time. j.k. ; )   b.t.w. what are three ratios equivalent to 5 : 11? thx

a)apline.     glad to ! : )

answer; larger numbers of minority;