MillionFacts 
What is the official language of the UK?
- What is the most famous Canadian lake for swimming?
- Why do some plants have aerial roots?
- What is the most widely used currency in the world?
- What is the largest national park in the United States?
- What is the purpose of a cryptocurrency wallet?
- What countries does Hungary border?
- Why do leaves have different shapes?
- How do penguins keep their eggs warm?
- How do dolphins communicate?
- What is the function of chlorophyll in plants?
- What is the purpose of the International Monetary Fund (IMF)?
- How do jellyfish sting their prey?
- How do sharks sense their prey?
- How do zorros live?
- Why do some animals hibernate during winter?
- What is the state bird of South Carolina?
- What is the state rock of Texas?
- What is the UK’s national sport in Wales?
- What is the most famous Canadian island for adventure tourism?
- What is the UK’s most famous festival?
- What is the oldest building in the UK?
- How do komodo dragons live?
- What is the concept of a financial bubble?
- What is the difference between proof of work and proof of stake in cryptocurrency?
- How do dolphins use echolocation to navigate?
- What is the most famous Canadian city for historical architecture?
- How do anemones form symbiotic relationships with clownfish?
- What is the most famous bridge in the United States?
- What countries does Belgium border?
- Where is Machu Picchu located?
- What is the longest-living animal on Earth?
- What is the largest species of crocodile?
- How do spiders produce silk?
- How do sea cucumbers defend themselves from predators?
- What causes droughts to occur?
- What countries does Croatia border?
- When did the UK become a unified country?
- What is the national dish of the UK?
- What is a security token in cryptocurrency?
- What is the UK’s most famous landmark for tourists?
- What is the largest desert in the United States?
- How do whales stay warm in cold ocean waters?
- What is the state flower of Kansas?
- How do glaciers shape the landscape?
- What causes the Northern Lights (Aurora Borealis)?
- What is the largest province in Canada by area?
- Why does the Moon have phases?
- What is the UK’s most famous food?
- How do animals navigate during migration?
- How do jellyfish protect themselves from predators?
- Where is the world’s largest hot desert?
- How do magpies live?
- What is a hedge fund?
- What countries does Poland border?
- Why do some animals have reflective surfaces in their eyes?
- What is the most famous Canadian sports team?
- What is the function of the mitochondria in cells?
- What is the UK’s most famous park in Scotland?
- How do dolphins hunt as a group?