Complex sentence: Hapi, was the Ancient Egyptian god of the Nile and its annual flooding (inundation) of the Nile River in Ancient Egyptian religion, which deposited rich silt on its banks, allowing the Egyptians to grow crops.
Split into simpler sentences: Hapi, was the god of the Nile and its annual flood in Ancient Egyptian religion. The flood deposited rich silt on the river's banks, allowing the Egyptians to grow crops.