What cause rocks to break?

Answer:
  • volcanoes
  • earthquakes
  • rivers
  • rain wind
  • hammers
  • explosives
  • chemical reaction
  • ice
  • impact with stationary object or surface at collision after gravitational acceleration
Contributor: Rangutan
First answer by Rangutan. Last edit by Rangutan. Contributor trust: 32 [recommend contributor recommended]. Question popularity: 2 [recommend question].