Biology

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

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What substance in your ears helps keep germs and dirt out?
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Which of the following does NOT grow on a tree?
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Which one of the following animals hatches from an egg outside the mother's body?
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What is the end of the human life cycle?
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Where does the Krebs Cycle occur in humans?
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Which of the following human traits can be used, like fingerprints, for identification?
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What group of animals is warm-blooded and has fur or hair?
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What happens to produce plant seeds?
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