It is a shell structure so that it can hold stuff.
an igloo is a shell structure since it is not filled it is only a shell
Yes, a teacup is a shell structure. A shell structure is defined as a structure that keeps it shape and can support loads within it (as tea in a teacup).
It's a shell. And because it is hallow Inside. A shell structure is a Structure that is strong hollow And light in size.
A shell structure supports its self and a frame structure does not support it self.
solid structure
shell because it is hollow and therefore represents the form of a shell which is also recognized as a shell structure
I think it is a shell structure.
my toes
It is a shell because the structure is with a hallow, curved shape
YES
no