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Question 1 of 314
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30

🤔 The placebo effect occurs when:

Question 2 of 314
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🐘 Which animal has the longest gestation period?

Question 3 of 314
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💻 Which symbol is commonly used in an email address?

Question 4 of 314
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✍️ Who wrote the novel 1984?

Question 5 of 314
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🌎 Which planet is often called Earth's "twin" because of its similar size?

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🥄 Why do metal spoons become hot quickly in hot soup?

Question 7 of 314
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🌏 Which is the largest coral reef system in the world?

Question 8 of 314
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😏 Which snack is generally the better choice before a long hike?