Why does a solid maintain its shape regardless of its container?

A.
Molecules of a solid vibrate in fixed positions close together.

B.
Molecules in a solid are very far apart.

C.
All of the solid's molecules are round and smooth.

D.
Molecules of a solid easily move past one another.

Question

Why does a solid maintain its shape regardless of its container?	
 
 A.
Molecules of a solid vibrate in fixed positions close together.
 
 B.
Molecules in a solid are very far apart.
 
 C.
All of the solid's molecules are round and smooth.
 
 D.
Molecules of a solid easily move past one another.

anonymous · Answer

A.
Molecules of a solid vibrate in fixed positions close together.