Which of the following answer choices is irrelevant to the discussion of how scientific principles
affect snowboarding?
A The principles of physics are at work during your run.
B You use the gravitational potential energy at the top of the mountain by
turning
it into kinetic energy during the trip down.
C The heat that is made as a result of this friction melts a very small amount of
snow, creating a thin layer of water, which lubricates your board.
D Without the physics that surround us daily, you would not be able to enjoy this
sport.