MillionFacts 
Why do some animals have tails?
- What is the national anthem of Canada?
- How do honeybees defend their hives?
- What is the capital of North Carolina?
- Why do clouds float in the sky?
- What is the largest living organism by area?
- Where is the world’s deepest ocean trench located?
- Where is the world’s largest waterfall by volume?
- How is chocolate made?
- Where is the world’s largest volcano located?
- Why do birds have hollow bones?
- Where is the world’s largest ice sheet located?
- How does a cactus survive in the desert?
- What is the most famous Canadian cultural event?
- Why do birds sing?
- What is a government shutdown and how does it impact the economy?
- What is chlorophyll, and why is it important?
- What is the most famous Canadian city for French culture?
- What is the smallest mammal by weight?
- What is the UK’s largest port?
- What is a recession and how does it impact businesses?
- How do otters stay buoyant in water?
- What is the largest city in Wales?
- Where is the Great Rift Valley located?
- Why do some plants have thorns?
- How are fossils formed?
- Why do some animals have nocturnal vision?
- What causes sinkholes to form?
- How do bats use echolocation to find prey?
- What is the UK’s most famous theatre?
- What is the most famous memorial in Washington, D.C.?
- What is the state flower of Nevada?
- What is the difference between microeconomics and macroeconomics?
- Why do some snakes have heat-sensing pits?
- Where is the world’s largest forest located?
- What is the main ingredient in steel?
- How do sea turtles navigate across the ocean?
- What is the most abundant element in Earth’s crust?
- What is the longest river in the UK?
- What is the smallest bird in the world?
- What causes rainbows?
- How does the water cycle affect the environment?
- What is the most famous Canadian food dish from Quebec?
- What is the state bird of Oregon?
- What is the meaning of fiscal deficit in an economy?
- What is the UK’s most famous stadium?
- What is the national flower of Canada?
- What is the most famous Canadian park?
- Where are the Andes Mountains located?
- What is the difference between ERC-20 and ERC-721 tokens?
- Why do vultures have bald heads?
- What causes ocean waves?
- What causes mountains to form?
- Why do some mammals hibernate?
- Why do some plants grow in poor soils?
- How do wombats live?
- What is the coldest temperature ever recorded on Earth?
- How do desert plants conserve water?
- What is the UK’s most famous book?
- What causes deserts to expand?