What is the prefix of irresponsible?

Ir

Explanation:

originally a French word that first meant "legally accountable for one's actions," and later "trustworthy."

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

the new jersey plan most resembles the articles of confederation.