The last glacial period, during the Pleistocene Epoch, reached its peak or furthest advance approximately YBP. A) 10,000 B) 35,000 C) 25,000 D) 18,000 E) 100,000 Question 19 ( 2 points) Saved In Stage 3 of a Mid-Latitude Wave Cyclone life cycle A) two air masses are set-up along a front. B) frontal occlusion begins. C) cyclonic circulation begins, and the cold front and warm front are well established. D) a wave forms and warm air moves poleward. E) the system is weakening and dissipating. F) the system is at its maximum intensity..