General Science Trivia Questions
Total Questions: 4
What is the apparent boundary between the sky and the Earth, ideally at 90 degrees from the zenith?
Easy
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horizon
What color is the pigment chlorocruorin found in some worms?
Easy
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green
What substance did scientists once try to measure in the ocean to estimate the Earth's age?
Easy
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salt
What is the sense referred to as gustation?
Easy
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taste
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