A mass movement is movements of masses of bodies of soil, bed rock, rock, debris, soil etc. which usually occur along steep-sided hills and mountains because of the pull of gravity
When h forms a bond with h2o to form hydronium ion, h3o , this bond is called a coordinate covalent bond.
The earliest forms would be plants and other life like that, and current day would be mostly humans and animals and a lot of plants are disappearing
