My friend insists that the humanoid being raised by animate gets zombie stats. Is he right?

Should Gnoll Flesh Gnawer have a Strength of 14?

Crossbow Expert, can the bow be loaded during the bonus action attack?

If a transmutation wizard dies, does their transmuter’s stone lose its effects?

Am I wrong giving a PC with a swim speed Disadvantage on attack rolls?

Would I be able to use hellish rebuke eith fire immunity?