Answer:
5.5|1/4
Explanation:
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the one that is considered a chemcial mutagen is : Tobacco Chemical mutagen refer to the substance that affected the DNA of those who consume the substancce or their offspring. Studies showed that consuming tobacco has proven to created DNA deformations for the fetus if it consumed by pregnant women.
Answer:A
Explanation:
It absorbs carbon dioxide
Explanation:
The middle ear is an air-filled cavity that sits between the tympanic membrane and the inner ear. The middle ear also consists of three tiny bones called ossicles , the round window, the oval window , and the Eustachian tube .
