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.
Answer:
Subsidence occurs when groundwater is overpumped from an aquifer. In areas with nonporous rock, such as granite, which cannot be compacted, ____Fissures____ develop.
(Fissures)
