Describe the events that might occur if there isn’t new crust formed.

Oceanic crust is constantly formed at mid-ocean ridges, where tectonic plates are tearing apart from each other. As magma that wells up from these rifts in Earth's surface cools, it becomes young oceanic crust. ... Just as oceanic crust is formed at mid-ocean ridges, it is destroyed in subduction zones.

it would be heredity

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.