Need these corrected if needed to be!

Explain what has to happen when you use être instead of avoir for the formation of the passé composé? il an english explanation with steps if possible

Ihave to write about myself in french so here's what i got so far and just make sure i have no spelling mistakes (i'm just and beginner) je dois ecrire sur moi- meme en francias alors voici ce que j'ai (je suis juste un debutant) a propos de moi : - je m'apple (my name). je suis age de (my age). mon anniversaire tombe en (my birthday) .ma couler preferee est le rounge,le blanc,violet. je aime le sujet francias !

The typical meal in france contains more dishes and smaller portions than the typical meal in the us. true or false?