Science Facts quiz
8,644 questions across 1 difficulty level. Every attempt draws a fresh random set, so you can play as often as you like.
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Easy
8,644 questions
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Sample questions
- What in an airplane can mutate organisms?
- what excess does excretion remove from the body?
- Food is easier to chew because it is moistened by saliva from throughout where?
Answers are revealed after you submit a quiz.