Answer:
Egg
Explanation:
I believe the egg came first. My reasoning is because the chicken evolves from the egg, and eggs have been around a lot longer than chickens. As for the second question, I got no clue. Personal preference.
Theirs many ways to persuade someone to wear a helmet! for example you can tell the person that a helmet is good for safety, and will protect you’re head if you fall of you’re bike or whatever you’re riding.