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2. How could the duck-billed dinosaur tooth fossil lead scientists to believe that plants also existed in Antarctica?

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Since scientists know that duck billed dinosaurs are herbivores, and if they found its bones in Antarctica, they could assume that there were plants for the dinosaurs to eat.

Because duck-billed dinosaurs could not have survived without plants, their presence in Antarctica proves that plants existed there. Additionally, fossil plants have been found in Antarctica.

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