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Scientific Knowledge Challenge
Question 1 of 10
What is most of the oxygen that enters the human body taken in through?
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Question 2 of 10
Which of these historic figures was primarily a scientist?
Question 3 of 10
How is Orville Wright's August 19 celebrated in the US?
Question 4 of 10
From which does the Global Positioning System receive its information?
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Question 5 of 10
Ice pellets are also known as what?
Question 6 of 10
What is the repeated sound when sound waves bounce off other objects called?
Question 7 of 10
Europa is a major moon orbiting which planet?
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Question 8 of 10
The wreck of the SS President Coolidge lies in which sea?
Question 9 of 10
In chemistry, what name is given to a positively charged ion?
Question 10 of 10
What substances can convection happen in?
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