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French chemists Marie and Pierre Curie discovered what chemical element?
What's the capital of Brazil?
- Rio de Janeiro
- Sao Paulo
In what year was president JFK killed?
What language is the most spoken in the world?
Which mammal is the only one that cannot jump?
What temperature does water boil at?
- 0 degrees Celsius
- 30 degrees Celsius
- 212 degrees Celsius
- 100 degrees Celsius
Entomology is the science that studies:
- The formation of weather
- Pine needles
- The lifespan of humans
For what is the Nobel Prize awarded?
- For medicine and physiology
- For literature, peace, and economics
- For physics and chemistry
- All of the above
What falling object is said to have inspired Isaac Newton's theories about gravity?
How many days are there in a leap year?