The city of Riga is situated at 56 degrees N, and its sister city Kobe, Japan is situated at 34 degrees N, on a different circle of latitude. Which city is situated closer to the Equator?
Ans: Kobe

Two colleagues studied at the same university. Nick studied the brains of birds, while Joe studied the brains of mammals. Which colleague studied more about the mental abilities of an animal?
Ans: Joe

John is studying a species in two similar countries, country A and country B. Country A has large population, but country B has small population of that species. John is pondering about how this species would fare in the future in these two countries. Would country B see higher or lower growth rate of the species than country A?
Ans: higher

Two students studied the atmosphere of Earth and other planets from our solar system. Zack learned about Earth's atmosphere, while Ken learned about the atmospheric conditions on planet Venus. Which student learned more about water vapor clouds?
Ans: Zack