A: Which animal is the largest in the world?
B: I think it's the blue whale.
A: Where is the hottest desert on Earth?
B: I think it's the Sahara Desert.
A: Which planet is the biggest in the solar system?
B: I think it's Jupiter.
A: Where is the coldest place on Earth?
B: I think it's the South Pole.
A: What is the highest mountain in the world?
B: I think it's Mt. Everest.
A: What is the longest river in the world?
B: I think it's the Amazon River.
