Answer:
1.
meteorology A line drawn on a map or chart connecting places of equal or constant pressure.
2.
nuclear physics Either of two nuclides of different elements having the same mass number.
3.
thermodynamics A set of points or conditions at constant pressure.
True because in a solid particles dont move so it wouldn't be in a constant motion.
Answer:
C
Explanation:
Pressure it says it in the name its the force of colliding particles
