What are the physical features of niagara falls?

well physical means things that are made by te environment for example erosion, so physical features on the Niagra falls would be the waterfall has fromed it self, the sourece which is where it starts from, the horseshoe falls, the bridal veil falls and the american falls. Also the plungeball is a physical fromation as heaps of water plumts down from the earth its going to be really heavy so its made to be a plundge ball. These plungeballs are encreibly deep as the rocks tat are eroded break off and fall into the river making the plunge even bigger. (DO NOT EVER TRY AND JUMP OFF IT YOU WILL DIE)