Which of the following is not a role required of the president of the united states

He was required to bang the secitary every morning

Explanation:

#ballsdeepnosleep

greenland

c tundra

iceland is grassland

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."