1. What is the ideal foot size of a bound foot in China?a. 5 inchesb. 4 inchesc. 6 inchesd. 3 inches2. Which Viet surname is possessed by about 46% of the Vietnamese population?a. Phamb. Trinhc. Durongd. Nguyen3. Which animal could sense rain about 240 kilometers away?a. Giraffesb. Birdsc. Elephantsd. Buffalo4. What is the shape of the Fiji Island?a. Heartb. Circlec. Cloverd. Kite5. Where is the largest cave in the world located?a. Chinab. Vietnamc. South Koread. Brazil