Question 10 of 20 :
select the best answer for the question.
10. the air that we breath is made mostly of which gaseous molecule?
o a. helium
o b. oxygen
o c. nitrogen
o d. hydrogen
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i'd think it's paralell

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

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lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.