Light waves can be polarised but sound waves cannot be. Why?

Light waves can be polarised as they are

Light waves can be polarised as they are

Ground waves are polarised

If a wave can be polarised, it must be

If a wave can be polarised, it must be

Statement 1: Sound waves can not propagate through vacuum but light waves can. Statement 2: Sound wave can not be polarised but light waves can be.

A light wave can travel