(see question Which is harder to compress solid liquid or gas)
solid
solid
Yes they are, because the atoms are packed closely together
The molecules in a solid are closely packed together in an orderly arrangement, leaving no spaces in between the molecules, therefore making compress difficult and almost impossible without use of machinery.
(see question Which is harder to compress solid liquid or gas)
compress it
You can only compress it to its existing volume (which you can't change without changing the density). The key is that a sponge isn't completely solid, it has pockets of air throughout it. Thus, you can compress those pockets of air and never change the volume of the actual solid.
solid
solid
Because a solid allready has a form that is why you cant compress it
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.
Solids and liquids are difficult compress. Gases, however, are easy; they respond to changes in temperature and volume.
The molecules of solid are already intact that you cannot compress them any further unless there are spaces left.
A "solid rubber bicycle" wouldn't be particularly useful, so I assume that you actually mean a comparison between a solid and an inflated bicycle tire. Answer: It depends. An inflated tire of a very high pressure will compress less than a solid tyre made out of soft rubber. OTOH a hard rubber solid tyre will compress less than a low-pressure inflatable tyre.
Yes they are, because the atoms are packed closely together
It will compress, but only very slightly as compared to a gas.