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Question 1 of 314
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30

🧐 Choose the sentence that uses the word "efficient" correctly

Question 2 of 314
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🪐 Which planet in our solar system has the largest number of known moons?

Question 3 of 314
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📣 Which device converts digital signals into images you can see?

Question 4 of 314
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📊 A file named vacation.jpg is most likely:

Question 5 of 314
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🧒 Which mammal is the only one naturally capable of true sustained flight?

Question 6 of 314
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👴 A towel is drying in the sun. It takes 2 hours to dry completely. If you hang two identical towels under the same conditions, how long will they take to dry?

Question 7 of 314
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🌍 What is the hardest naturally occurring substance on Earth?

Question 8 of 314
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🧬 Which nutrient is the body's primary source of quick energy?