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Challenging Science Quiz
Question 1 of 10
What substance in your ears helps keep germs and dirt out?
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Question 2 of 10
Saber tooth tigers were part of which groups of animals?
Question 3 of 10
Which of these best describes how light travels?
Question 4 of 10
Which of the following energy sources do gardens rely on most for survival?
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Question 5 of 10
About a quart of what digestive fluid comes from the liver every day, whether you happen to be angry or not?
Question 6 of 10
Where did the dingo originate?
Question 7 of 10
What is a steep-sided circular depression commonly known as?
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Question 8 of 10
A little bit, in pills, helps heart patients. A lot, in dynamite, blows stuff up. What?
Question 9 of 10
What objects have "real estate" that is humorously measured in nano acres, each of which is about four square millimeters?
Question 10 of 10
Offices got to junk their teletypes and telexes, thanks to what invention?
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