is the God of the afterlife in the ancient Egyptian culture

Annubis

Explanation:

Annubis was the god of the afterlife, death, etc. and led souls to the underworld, where they were judged by the king of the underworld, Osiris.

Osiris

Explanation:

Osiris, one of Egypt's most important deities, was god of the underworld. He also symbolized death, resurrection, and the cycle of Nile floods that Egypt relied on for agricultural fertility.

a. the astrolabe could determine the correct latitudinal location of the ship

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.