Physics Unit31: Nuclear Energy and Radiation (id: 5b10564b3)

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本题目来源于试卷: Physics Unit31: Nuclear Energy and Radiation，类别为 Generic Physics

[单选题]
When light elements such as pmyj )vpz-bm e,x a+l44d r4cr(,a:+ckc(gr j hydrogen undergo fusion, :du dgy+en3 n;e on+jr,s)rb2

A. there is a loss of mass.
B. there is an increase in mass.
C. there is no change in mass.
D. electric charge can be annihilated.


参考答案:  A


本题详细解析: 暂无