Question

solids have
a definite shape but no definite volume.
a definite volume but no definite shape.
a definite shape and a definite volume.
neither a definite shape nor a definite volume.

Explanation:

Solids have particles closely packed in a fixed - position arrangement. This gives them a definite shape and a definite volume. Liquids have a definite volume but take the shape of their container, and gases have neither a definite shape nor a definite volume.

Answer:

a definite shape and a definite volume.