A ruler or a meter stick depending on its length.....
<span>The answer is autosomes.
</span>In
a human diploid somatic cell (2n), there are 22 chromosomes
present in two copies and 1 pair of sex chromosomes. This means
there are 23 pairs of chromosomes - 22 pairs of autosomes and 1
pair of sex chromosomes. <span>There are in total 46 chromosomes (23 pairs
in 2 copies: 23 × 2 = 46).</span>
Hello!
The answer you were looking for is....
(D) Nonpoint source pollution is difficult to regulate, because its source is difficult to track.
