Answer:
1: Nuclear Fusion
2: Nuclear Fission
3: Nuclear Fusion
4: Both
5: Nuclear Fusion
6: Nuclear Fission
Step-by-step explanation:
Hello,
In this case, to state each option, one must recall what nuclear fusion and nuclear fission are. At first, in nuclear fusion two smaller atoms are combined to make one larger atom of a different element, gathering the neutrons, electrons and protons of the involved elements. However, in nuclear fission, larger atoms of certain elements are split into two smaller atoms of different elements.
In such a way, the combining of a nuclei accounts for nuclear fusion, the producing of dangerous waste applies for nuclear fission due to the splitting, the high activation energies are present nuclear fusion since it is energetically harder to combine than to split, both of them releases large amounts of energy since the energy contained into the splitting or combining particles is storaged into a tiny space (the atom), just the nuclear fusion occurs in the stars to power them and just the fission is driven in chemical plants to produce energy.
Best regards.