B. The water is surrounded by stable rock, soil. If this is incorrect please comment saying Sorry this is incorrect and explain why and how.
D) Mars & Jupiter is correct
Nuclear fusion generates the energy that is released by stars.
In the great majority of stars, it's the fusion of hydrogen nuclei
to form helium nuclei plus energy. In very old stars, the nuclei
of heavier elements are fused, forming even heavier ones.
