Biology

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

More Questions from Biology
What takes up 50-70 percent of a whale's weight?
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What was the largest living creature of the twentieth century?
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What is the natural sonar that some animals use called?
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Coffee and manioc are best grown in which climatic zone?
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Which characteristic means moving from place to place?
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What is the opening in your eye called?
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Which of the following is on the lowest level of ecological organization?
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What is the condition called when the red blood cells are misshapen?
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