What kind of nuclear reaction does the picture show?
A. Nuclear Fission.
B. Nuclear Fusion.

The picture shown is an example of nuclear fission.
Nuclear fission involves the disintegration of a large nucleus to form smaller nuclei with the evolution of energy. The disintegration occurs when the large nucleus is bombarded with a small particle such as neutron.
Looking at the image shown, we can see that the large nucleus was bombarded with a small particle and then it disintegrated into the two other species as shown in the image. This is clearly nuclear fission.
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