Silk worms feeding on mulberry leaves and producing silk is an example of a - chemical change - physical change

This is what i found “getting into the technicalities, the continental crust has a density of around 3.0 g/cm3 compared to 2.6 g/cm3 of the continental crust. in addition, the continental crust is much thicker than the oceanic crust. the recycling process does not happen to the continental layer.” i hope this you for what your looking for. can you plz mark me brainliest?

Answermost of the time it would be ground into fine sediment,and sometimes they are carried away from the original location;