If this is an opinion type of question, I would say that everybody should be treated equally and that race should not impact a persons identity. Regardless of the color of your skin or your origin it shouldn’t affect your identity the only thing different would be the color of your skin. I think that when he/she comes of age, that race could possibly impact A life in the workforce when trying to get a job, interacting with others, etc.
Compression waves also known as longitudinal waves are waves in which the particle of the motion is in same direction in the wave that's propagating it. They are known for travelling through mediums either ground or in the air.