asked 27.2k views
4 votes
Radioactivity is the -------------- disintegration of an atomic nucleus that releases energy to become stable *

a. Extraordinary

b. Normal

c. Ordinary

d. Spontaneous​

asked
User Dmoebius
by
7.4k points

2 Answers

4 votes

Answer:

The answer is spontaneous.

answered
User Huff
by
8.3k points
0 votes
Spontaneous, as it happens randomly
answered
User Flesh
by
7.6k points
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