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Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus
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Which of the following may one conclude from a map that shows the average ph value of rainfall in the u.s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u.s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u.s.
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Biology, 22.06.2019 17:30
Which of the following terms describes all of the non-living components of an ecosystem
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How does the structure of DNA allow DNA to be copied without mistakes? Your answer
should include:...
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