Sharks have a skeleton made of bonetrue or falue

Ano po ba ang pamatnig ng pagpapatotooat mga halimbawa po nito

こんにちは， 皆様、このサイトであまり日本語のpostを見つからなくて、もし質問があったら、ぜひcommentに聞いてください。 hello, i couldn't really find any posts on this site about japanese. but if you have any questions about japanese, feel free to ask me down below in the comments/replies. have fun learning !

Is this inappropriate language,”good evening,everyone. for coming out to sit on hard,uncomfortable stadium concrete on an unseasonably warm evening and wearing clothes and shoes you can’t wait to get home to get get ou of.” if so,how can i write it in formal?