YES!! to all peoples who can lend a helpful knowledge of such a confusing question of is it this or is it a that?
or WHAT THE?
need of quizzes and true or false and multiple choice questions, to let it all sink into our brain stems.
WOW!! by all means let this posting rise and soar!!
marbles are a tough knowlege, but i'm sticking it out. the hints are there just gotta see and learn them.
jeannie