A and C
They both can be compared to present or past objects to show how they have changed or evolved over time
Answer:
The binding of oxygen and hemoglobin is also an important reversible reaction. Its how oxygen is carried around the blood to the cells of your body
Explanation:
A reversible chemical reaction is one that can go in both directions; reactants can turn into products, and products can turn back into reactants.
I think marine, but I’m not so sure