Biology

What substance in your ears helps keep germs and dirt out?

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What do you call a person who sells and takes care of plants?
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What are the tiny air sacs in the lungs called?
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What are the first four phases of cell division?
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What is another name for a baby frog?
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In which of these habitats would a giraffe be found?
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Which of these animals has its shelter on its back?
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Photosynthesis in plants produces which products?
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What can be made from the particles of a dead virus to prevent the disease caused by that virus?
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