In december of 2004, a 9.0 magnitude earthquake occurred off the northwest coast of the island of sumatra. the earthquake triggered the deadliest tsunami in recorded history. the tsunami killed over a quarter of a million people and injured a half a million people. it left millions of people homeless. the tsunami was felt as far away as the atlantic coast of the united states. how is the passage above organized? a. cause and effect b. compare and contrast c. problem and solution d. sequence