Hi the answer your looking for is C, muscle: bone to bone connection.
Hope this helps you.
M(Mn(ClO3)3)=(54.938)+(35.45x3)+(15.999x9)
M(Mn(ClO3)3)=305.279 g/mol
I would say that it is physical because there are no chemicals when the glass is breaking.
<em>HOPE I HELPED!!!</em>