What was the greatest Physical events that took place during the Mesozoic Era in north america

A. Mount Vesuvius erupted (which isn't right cause i took the quiz and got it wrong)

B. North America Covered by Glacial Ice

C. Appalachian Mountains Formed

D. The Canadian Shield was formed
Please help me i need to get this right

1. do the particles in the medium material move in the same direction of the wave or at opposite direction to the wave? explain your answer. 2. by inputting more energy into the wave, i.e a large shake of the spring, which wave property also increases? 3. are there forces of friction acting while a wave is passing through a medium?