Science Trivia and Answers

Easy

What is the first element on the periodic table?

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Answer: Hydrogen
More information: There are 118 elements on the periodic table, Hydrogen being the first one listed.

Easy

Which bone is the longest bone in the human body?

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Answer: Femur
More information: The Femur is not only the longest bone in the human body, it is also the strongest bone. The Femur bone is located in the thigh.

Easy

What does NASA stand for?

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Answer: National Aeronautics and Space Administration

Easy

Why are flamingos pink?

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Answer: From eating shrimp

Easy

Which mathematician has an Erdős number of zero (0)?

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Answer: Paul Erdős, of course!
More information: As the Erdős number describes the "collaborative distance" in authorship of mathematical papers between mathematician Paul Erdős and another person it is only natural that Paul Erdős holds this position.

Medium

The Earth's air is composed of about what percentage of CO2?

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Answer: 0.04%
More information: The CO2 levels have risen about 40% since the industrial revolution. As of March 2011, the CO2 level was about 0.04%.

Easy

What is a positive integer that is equal to the sum of its proper positive divisors (excluding the number itself) called?

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Answer: A perfect number.
More information: You might also think of a perfect number as a number that is half the sum of all of its positive divisors, including itself! This definition is at least 2300 years old as it appears in Euclid's "Elements".

Easy

Which is the rarest blood type in humans?

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Answer: AB negative, 1% of the population is AB negative



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