Density is mass divided by volume
Melanoma is the type of cancer Mary
Lou had, Sunburns in adulthood assume to be the mostly associated with
melanoma. Melanoma, the most severe type of skin cancer, develops in the cells
(melanocytes) that produce melanin — the pigment that gives your skin its colour.
Melanoma can be also apear in your eyes and, rarely, in internal organs, such
as your intestines.
You will notice that a plant cell has a cell wall, whereas animal cells do not have a cell wall.
Copper deficiency is a rare disease that leads to hematological disorders. It is an essential trace element. It is an essential part of some enzymes (c0-factor) that plays role in cellular respiration. Copper is also an anti-oxidant that scavenges free radicals. In case of cellular respiration copper is responsible for electron transfer of oxygen.
That element is <span>Nitrogen.</span>
