In Chile, the deepest earthquake occurred at 61.7 longitude at a depth of 540 km. If the rocks at the focus begin subducting 10 million years ago and are now 1000 km from the original position what is the average rate of subduction in Centimeters per year

False there's only 832

Geologists use  seismic waves to  locate an earthquake's epicenter.. 

Answer music,television, corn,soybean

It's either  a. chiang kai-shek and the nationalists turned against the communists and killed hundreds of them. orb. hundreds of peasants were killed in shanghai during the period of warlord rule.  if we take into account that there was warlord rule at the time, i think that it's b (not entirely sure though)just my best thoughts.