1.What does Tsunami mean? 2.What is The case of the tsunami? 3."They are capable of *Obliterating*. coastal settlements". What does the inderline word mean? 4."Strom surges are paticulary devastating if *they*Occur at high tide". What does the underline word refer to? 5.What is the text organization of the first paragraph? 6.What is the social function of this text? 7.What kind of the text type is the text?