Which of the following is correct?
(a) Solids have a definite shape and definite volume.
(b) Liquids have a definite volume but no definite shape.
(c) Gases have a definite volume but no definite shape.
(d) Liquids have both definite shape and definite volume.
(a) Solids have definite shape and definite volume.
(b) Liquids have definite volume but no definite shape.