Explain how eating a limited number of eggs promotes good nutrition.

Eggs contain all the nutrients that the body needs to produce energy. A healthy immune system: The vitamin A, vitamin B-12, and selenium in eggs are key to keeping the immune system healthy

it seems to me that yes they solo on the chord changes.  coltrane for sure solos on the chord changes. instead of changing scales, they use a different method over the chord changes. this melody is very  unique but may often times even be considered simple, which is quite common in this modal  type. for example, there are changes from the key of minor to major in this piece, which makes it  unique in its own way.