Home » ________ is the movement of a mass of rock, debris or earth down a slope due to gravity Natural Disasters MCQs ________ is the movement of a mass of rock, debris or earth down a slope due to gravity January 29, 2022 24 Views Q. ________ is the movement of a mass of rock, debris or earth down a slope due to gravity.A. LandslidesB. cyclonesC. earthquakesAnswer: Landslides