Cual es el prefijo, infijo y sufijo de deshacer, abanderar, anteponer, empacho, policiaco, pajarraco, peatonal, trabajador, noviasgo

Can someone answer this pls ill give brainliest both ser and estar mean ‘to be’. in what situations do we use estar? estar, venir, and ir are considered irregular verbs. what makes a verb “irregular”?

What was the name of the barrio in which the poor lady lived?

Which ion was formed by providing the second onization energy to remove an electron?