پرسش و پاسخ علمی

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1. "The reaction where two atoms of hydrogen combine to form an atom of helium is called what?"

2. Ceres is a dwarf planet that lies between the orbits of which two planets in our solar system?

3. What is the name for trees that never lose their leaves?

4. Approximately 2% of all people have what eye color?

5. What is the name of the phenomenon when the magnetosphere in the Northern Hemisphere is disturbed by the solar wind resulting in a natural light display?

6. How many pairs of chromosomes are in found in the average human?

7. The atmospheric temperature at which water vapor begins to condense and form dew, is called what?

8. In most modern vehicles, the carburator has been replace with what?

9. In fluid dynamics, what is the term for the highest attainable speed an object can reach as it falls?

10. How many furlongs are there in one mile?

11. Who came up with the theories of General and Special relativity?

12. Which is the most abundant metal in the earth's crust?

13. What was the name of the first U.S. space station?

14. What is the second most abundant element in the earth's atmosphere?

15. What is the largest 3-digit prime number?

16. Which psychologist investigated obedience using electric shocks?

17. What vitamin is produced when a person is exposed to sunlight?

18. What is the name for a protein that acts as a biological catalyst?