Carbon, Hydrogen, and Oxygen
Ratio: 6:12:6
<span>Collagen fibers. You can identify these as collagen fibers in part because they are fairly straight rather than springy. Collagen is a fibrous protein that is found in human connective tissue - specifically collagen can be found in human skin, bones, cartilage, and ligaments.</span>
E. All of the above
Hope this helps :-)
