Only coefficients can be changed
I believe this is the a^2+b^2=c^2. Sorry if you don't understand me language I speak German. But uh, its based on PT i think. hope it help!
Answer:
Gases can be compressed easily because there is a large amount of space between the individual molecules, which are very active and move around at high speed.
Explanation:
When gas is compressed, the particles are forced much closer together, allowing a huge amount of particles to fit in a small space.