MillionFacts 
What is the state tree of West Virginia?
- How do snakes detect heat to locate prey?
- What is the most famous American landmark for political history?
- What is the most famous U.S. landmark in the west?
- What is the longest highway in the United States?
- What is the purpose of the human digestive system?
- What is the state bird of Virginia?
- How do sea otters live?
- Where is the Statue of Liberty located?
- What is the state bird of Kentucky?
- Why do koalas sleep so much?
- How do planes stay in the air?
- Why do deserts have extreme temperature differences?
- What is the UK’s largest national park?
- What countries does Angola border?
- How do seahorses live?
- How do spiders spin their webs?
- Why do some animals have bright colors in their skin or fur?
- What is the national sport of the UK?
- Why do deciduous trees shed their leaves in autumn?
- What is the largest city in the United States by population density?
- How do bushmasters live?
- What is the state gemstone of Tennessee?
- What countries does Colombia border?
- When was the Great Wall of China built?
- How do fireflies produce light?
- What countries does South Korea border?
- What countries does Portugal border?
- Why do hummingbirds hover in place?
- What is the most famous Canadian city for skiing?
- How do warty sea cucumbers live?
- What is the state fish of Oregon?
- What is the concept of moral hazard in economics?
- Why do turtles return to the same beach to lay eggs?
- How do starfish regenerate their arms?
- What is the state insect of Arizona?
- How do fungi decompose organic matter?
- How do sea turtles find their nesting beaches?
- How do snakes sense their prey without ears?
- Who invented the paper towel and when?
- How do deer live?
- What causes frost to form?
- What is the difference between a bear market and a bull market?
- How do crows use tools?
- What countries does Myanmar border?
- What is the most famous street in Los Angeles?
- What is the most famous museum in London?
- What is the state flower of Colorado?
- How do warblers live?
- Why do some plants produce flowers?
- How do otters stay warm in cold water?
- What is the most famous Canadian shopping street?
- What is the most famous Canadian river for fishing?
- Why do chameleons change color?
- Why do starfish have five arms?
- What is a token burn in cryptocurrency?
- How do cacti survive in arid environments?
- What is the state tree of Minnesota?
- What is the state bird of Missouri?
- Where is the world’s largest coral reef system located?