SL Topic C3.2 Defence against disease (id: 5e5217978)

本题目来源于试卷: SL Topic C3.2 Defence against disease，类别为 IB生物学

[问答题]
b. Calculate the incm)*r13gzrivlxtr5 6+olm0us tt(b:w rease in the percov vm h 7.l+a9,z9pwcwentage of the worldwide population vaccinated between v apw, o 9m+zc9h.vlw71980 and 1990

参考答案:

84-15 = 69%

(Note the numbers in the table are percentages, but the question only asks for the increase)

本题详细解析: 暂无

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