Potential energy and kinetic energy. That's my best guess.
Answer:
Yes
Explanation:
You can identify an unknown substance by measuring its density and comparing your result to a list of known densities.
Density = mass/volume
When you divide the mass by the volume and compare the density to a list of known densities.
I believe that the answer's chromosomes.
I say that because m<span>itosis is used to produce daughter cells that are pretty much genetically identical to their parent cells. The cell then replicates its chromosomes, and then it splits the copied chromosomes equally to make sure that each daughter cell has a full set.</span>
B. Excretory system. Think of it helping things to EXIT your body
