These forces are present in the nucleus and have different functions there. The strong and weak forces are active in the nuclei of atoms.
The correct option is B.
In an atomic nucleus, the strong nuclear force binds protons and neutrons together.
Radioactive decay is caused by the weak nuclear force's ability to transform a proton into a neutron or vice versa.
Thus, The correct option is B, the strong and weak nuclear forces are mostly active in the nuclei of atoms.
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