1. What is the fastest moving mammal native to North America?
2. Which element is the best conductor of both electricity and heat?
3. Which capital city is the highest in the world?
4. What vitamin C–rich vegetable did miners pay for with gold during the 1897 Alaskan Klondike Gold Rush?
1. The pronghorn (aka pronghorn antelope), which has been recorded running up to 53 miles an hour.
3. La Paz, Bolivia, at 11,913 feet above sea level.
4. Potatoes, which they hoped would prevent scurvy.