Which documentary  was directed in part by James Cameron, Aliens of the Deep or Earth?
Aliens of the Deep: Aliens of the Deep is a 2005 documentary film, directed in part by James Cameron alongside fellow cameraman and friend Steven Quale, who would go on to direct "Final Destination 5" six years later, and filmed in the IMAX 3D format. Earth (2007 film): Earth is a 2007 nature documentary film which depicts the diversity of wild habitats and creatures across the planet.
Aliens of the Deep