Physics Unit30: Nuclear Physics and Radioactivity (id: f16592d12)

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本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 Generic Physics

[单选题]
What happens to the hq, fa.npm.+qw alf-life o2rw5ii eqtuh8 k4iv-h(w6ij 1cdm+a6f a radioactive substance as it decays?

A. It remains constant.
B. It increases.
C. It decreases.
D. It could do any of these.


参考答案:  A


本题详细解析: 暂无