yes you can.
Compress. They tend to occupy a nearly fixed volume.
No. You can compress a gas because the particles are NOT close together. If they are close together (as in a solid) it is extremely difficult to compress any further.
compress it
-- Cool it. -- Compress it (but you must also cool it while you compress it).
The molecules of a solid are the most tightly packed than those of either gas or liquid making it the hardest of the three to compress. Gas has the most space between molecules and is therefore the easiest to compress.
yes it can be
One possibility is "compress".
If you compress a gas the temperature increases
to compress it
Yes. There is a lot of space between the gas atoms, so a gas can easily be compressed.
Compress it
It heats up.