Biology

What takes up 50-70 percent of a whale's weight?

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What arctic sea whale has one long horn on its head?
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What is the largest land animal?
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What substance in your ears helps keep germs and dirt out?
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What's the scientific term for an animal that eats the sort of foods humans do?
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What are organisms that make their own food in a food chain called?
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Which of these structures allows plants to grow even in cooler areas?
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Which type of Japanese tree is small and grows in a pot?
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What protein is found in the hair and nails of mammals?
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