C because cellular respiration uses combine oxygen and other toxic waste.
An acronym for change would be preserve because that means keep
<span>They are misleading, because dominant alleles do not dominate or prevent recessive alleles from doing a job. Also, one allele can be considered dominant in one regard and recessive in another. It just depends on what you are trying to do with it.</span>
I think the answer to this is 2.
