Answer:
Atoms In The Mix
Explanation:
Water molecules are shown as H₂O. That is because water contains two hydrogen atoms and one oxygen atom. Carbon dioxide is a molecule that contains one carbon and two oxygen atoms.
I think it's ameoba but I'm sorry if I'm wrong
D. Habitat fragmentation I believe
Answer: At the same time as the samples, a DNA marker with known length fragments is routinely passed through the gel. You can estimate the length of the DNA fragments in the samples by comparing the bands of the DNA samples with those of the DNA marker.
Explanation: