That would be A. Carbon dioxide.
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Answer:
As she is heterozygous, her genotype would be Aa. The eggs she produce would have one allele from her genotype, and thus she can produce A or a eggs.
Homologous chromosomes are inherited from each parent and are the two chromosomes that make up a pair in a diploid cell. They are normally the same length, contain similar genes in the same location, and have a centromere at the same locus.
The correct answer is C, phosphate and nitrogen pollution I just had this test and I got 100%.