WAEC Biology Answer (Obj and Essay) – 2020 Expo BIOLOGY – OBJ : 1-10 : CAABDBBBDC 11-20 AACBDDDCBB 21-30 CBACDAABCB 31-40 CABCCBDDCB 41-50 DCBBCBBAAA ======================BIOLOGY THEORY ANSWERINSTRUCTION:ANSWER 3 QUESTIONS IN ALL========================================================SECTION A========(1a)When the head moves or changes position,the endolymph fluid in the…

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