What do these two changes have in common? sewing an apron sediment settling to the bottom of a muddy puddle

They are both physical changes.

Explanation:

A physical change can be described as a change that can change the appearance of a substance, that is a characterized change that occurs in physical property. This kind of change causes the substance to change its form

sewing an apron sediment is a physical change as well as sediments settling to the bottom of a muddy puddle because their chemical compositions are not being changed, there are only changes in their forms.

answer; ewing's sarcoma;