126. Which of the following countries is not a member of the United Nations?
A) North Korea
B) South Korea
C) Taiwan
D) Japan
127. What is the name of the currency used in China?
A) Yuan
B) Euro
C) Pound
D) Yen
128. What is the name of the highest mountain in North America?
A) Mount Everest
B) Mount Denali
C) Mount Kilimanjaro
D) Mount Fuji
129. Which gas is most abundant in Earth’s atmosphere?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Methane
130. Which country is home to the world’s longest river, the Nile?
A) Egypt
B) Sudan
C) Ethiopia
D) Congo