Science experiment of the egg and vinegar

The materials are a egg, the vinegar and a glass.

      

The first day I see that are remains of the shell of the

egg.

The second day I see that are more remains of the shell

of the egg that in the first day.

The third day I see that the egg has a little  of shell.        

The four day I see that the egg don’t have shell                                    

this is the egg when I put out of the egg