For 10 points, name this Egyptian god often combined with Atum and Amun, the chief solar deity.
The completely black bull Mnewis was regarded as an aspect of this god, who was served by the deity Mehen, and this god is the principal offspring of the ocean goddess Nu. This figure's children represent dryness and moisture, and his ba was the Bennu bird. He saved mankind from annihilation by creating 7000 jugs of beer mixed with pomegranate juice to distract the bloodthirsty Sekhmet. Syncretized with Horakhty, this god was the grandfather of Geb and Nut and father of Shu and Tefnut, and he staves off Apep every day while riding his barge. For 10 points, name this Egyptian god often combined with Atum and Amun, the chief solar deity.
The completely black bull Mnewis was regarded as an aspect of this god, who was served by the deity Mehen, and this god is the principal offspring of the ocean goddess Nu.
  Ra [or Re; accept anything that sounds like “rah” or “ray”]