Answer:
Rust is a compound. What makes iron rust is its reaction with oxygen and moisture in the air.
Answer:
I don't think your appendix can explode because you ate too much honestly. It's not even possible to eat so much that your appendix explodes, and if you're feeling any pain it definitely isn't because your appendix is about to explode, believe me. Also you could just type it into the internet, that'd be a much faster solution.
<span>the most important personality trait the coach should demonstrate to achieve a goal is </span>persistence
