Which feature is the result of a glacier carving out rock as it moves? A. Roche Moutonnees
B. Erratic
C. Terminal moraine
D. Esker

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.