a substance will have a relatively rigid, unchanging shape when it is a\nliquid.\nplasma.\ngas.\nsolid.

a substance will have a relatively rigid, unchanging shape when it is a\nliquid.\nplasma.\ngas.\nsolid.
Answer
Brief Explanations:
Solids have a definite shape due to strong intermolecular forces holding the particles in fixed positions. Liquids take the shape of their container, gases have no definite shape and expand to fill the container, and plasma is an ionized gas - like state with no definite shape.
Answer:
D. solid