Answer :
D) Plants
Explanation :
A producer is a plant or organism that produces it own food. Plants go through a process of Photosynthesis Which makes its own food.
Step 1 - All the reactants collect in the Chloroplast
Step 2 - Light energy from the sun drives the reactants to make a chemical reaction.
Step 3 - The products of the chemical reaction including Glucose the plants food and Oxygen, which is released into the air and which living organisms breathe.
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