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 hydrogenevw2.q0y:x+h noa lh+ underpn. xh 0tvbo;;go fusion,
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
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