religion changed because of if you're a member of indulgence were sold in catholic churches luther and calvin were against it so they set up their own practices .An our lives our similar due to the negative affects that were applied
The answer is Erosion, which is the the gradual destruction or diminution of something -- in this case, rocks. I hope this helps! For reference/perspective, sand is the product of rock erosion, because it's really just tiny remnants of crushed rock. Those "small pebbles" could be sand, but you'd have to emphasize just how small they are -- one grain of sand is just that: a grain
