Melanin provides pigmentation to the skin and it also provides UV ray protection (which is its role in the epidermis).
The answer would be c. only plant cells and some single cell organisms photosynthesize.
Since this is college level biology, you should know that red blood cells do not contain organelles... therefore it does not do a,c, and d. So, the question should say, which of the following is correct.
Answer:
The outer core is the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel, as well as small amounts of other substances. ... These powerful currents cause lines of invisible force to stretch around the Earth and thousands of miles into space, creating a magnetic field.
Well it’s obvious that they both use Photosynthesis to make there own food, and also they both use chemosynthesis the produce there own food. Very simple. :)
