Proteins are made of Amino acids so the answer is Amino Acid (C)
Although I am not 100% (i am not the best for geography), It must be D. Hope this helps your grade! :3
////// it is biological magnification /////
I think it is the 3rd one because health problems at older age.
Answer:
PS:Can I be brainliest.
Have a nice day
Explanation:
Each molecule has a characteristic size and shape that determines its function in the living cell. The shapes of molecules are determined by the positions of the atoms' orbitals. When an atom forms covalent bonds, the orbitals in its valence shell are rearranged.
