I just looked it up, it's carbon!
I think it should be producers. i apologize if this is wrong, but that’s my best guess. hope this helps you!
Added to make certain structure easier to see.
Answer:
Taking in water and carbon Dioxide and releasing oxygen as waste
Explanation:
This process is called Photosynthesis which is the total opposite of Cellular Respiration.
The average atomic mass of an element<span> is the sum of the </span>masses of its isotopes, each multiplied by its natural abundance (the decimal associated with percent of atoms<span> of that </span>element<span> that are of a given isotope).</span>