SL Topic C3.2 Defence against disease (id: 284112dc9)

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]
a. Describe the relationship between the incidftk)k1 +jfcxd2x1r n7sp :b;hence of vd ya,.r8isnq,ym q.38y7u fumeasles infections and the percentage of the popula8vd3frn8, , yuu7q. si y.amqytion immunised.

参考答案:

As the percentage of children vaccinated increases, the incidence of measles decreases.

There is a negative correlation.

本题详细解析: 暂无

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