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Question 1 of 314
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30

🤔 Why do most plant leaves appear green?

Question 2 of 314
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🌍 Which country shares the longest international land border with the United States?

Question 3 of 314
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🐟 If you have 10 fish in a tank and 3 drown, how many fish remain?

Question 4 of 314
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☀️ Which gas do plants absorb from the atmosphere during photosynthesis?

Question 5 of 314
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📌 Which part of a cell contains most of its genetic material?

Question 6 of 314
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🤔 A father and his son are in a car accident. The father dies instantly. The son is taken to the hospital. The surgeon says, "I can't operate on this patient—he's my son." How is this possible?

Question 7 of 314
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📌 Which city hosted the 1996 Summer Olympics?

Question 8 of 314
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❓ Find the missing number. 10, 20, 40, 80, ?, 320