i got different answers and mine was Succession returns a disturbed ecosystem to a more stable state.
<span>Oxygen carried in a hemoglobin molecule is bound to an iron atom.
</span>The red blood cells contain a pigment called hemoglobin, each molecule of which binds four oxygen molecules.
This protein carries oxygen to the cells and carbon dioxide to the lungs.
It is the iron atom<span> that binds </span>oxygen<span> as the blood travels between the lungs and the tissues.</span>
Answer:
you haven't given choices but I know some they help in digestion
Draw a diagram showing marbles (being stars) farther away but around books (being planets).
Answer: Hope this helps!
Explanation:Amino acids are the monomers that make up proteins.