The mechanical breakdown of rocks by the action of other rocks and sand particles is called what?

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully