Explanation:
Nuclear fission involves the spontaneous disintegration of a radionuclide.
In nuclear fusion, two light nuclides are combined to form a heavier one.
- Both nuclear fusion and fission releases a very large amount of energy
- Nuclear fusion releases by far more energy compared to nuclear fission.
- It has more output energy.
Nuclear fission can occur spontaneous or when bombarded with particles. They require little energy input to activate them.
Nuclear fusion has a high activation energy because the energy barrier is very great. It occurs in the cores of stars at very high temperature and pressure.
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Answer:
b
Explanation:
light does not need a medium
it is refracted
Light is made up of little packets of energy called photons.
electromagnetic waves
Labels that belong in regions marked X and Y are;
A) X: Maintains magnetic properties in the presence of another magnet
Y: Is made from magnetically hard ferromagnetic material
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