The Pink Cliffs at Bryce Canyon (the Claron Formation) lie at the top of the Grand Staircase. Evidence for a shallow lake at this location-50 million years ago includes one of the items on this list below. Please select the observation documented at Bryce Canyon. (One great source for reading all about it here: https: //en.wikipedia.org/wiki Geology_of_the_Bryce_Canyon_area#Claron_flood_plain_and_lake_system) Select one: a. A glacial moraine dammed river flow and created a lake b. limestone rich mud containing freshwater fossils c. marine fossils deposited into a lagoon by high tides d. Salt flats show where a shallow marine lake once evaporated Enjoy this video: https: //youtu.be/gj_dtyX1Lp