gas!
A force that acts on rock to change its shape or volume called stress. Tension is the stress that sketched rock so that is becomes thinner in the middle.
Deformation
the force that acts on rock to change its shape or volume is stress.
It had definite shape and volume
BeH2
Pressure / stress.
A gas can change shape but it doesn't change volume, a liquid also changes shape but doesn't change volume.
SHAPE
It changes shape and volume.
gas
the answer is liquid... as my science teacher says.
A fluid has a definite volume, but it does NOT have a definite shape: its shape changes depending on the container it is in.
liquid
Stress
Shape, mass or volume.
a liquid
A gas.