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Which of the floating plants is the smallest?
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Which plant grows the slowest?
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Which plant has the most floating leaves?
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What flower is the most?
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What is the longest algae?
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Which plant grows fastest?
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How deep is the deeper roots?
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Which plant has the longest leaves?
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What plant can "seize" the largest area?
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Who has the most seeds?
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What plant lives the longest?
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What tree is the highest?
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What is jojoba?
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Can plants give car fuel?
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What is kapok?
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What is the blade for?
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What is raffia?
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What is balm?
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How many things can be made of bamboo?
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What are the best cricket balls made of?
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From which plants do paper?
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What medications do you get from belladonna?
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How deadly opium poppy saves life?
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What is Coca and Cola?
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What plant cures respiratory diseases?
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