Answer: Plants or the sun
Explanation:
The sun gives energy to the plants which get the most but since the sun isnt an organism I would say plants.
1. GLYCOLYSIS
2. KREBS CYCLE
3. ELECTRON TRANSPORT CHAIN
It contain oxygen atom calculated below
<span>6.35gC x 2.00gO/1.50gC
= 8.47g O
</span><span> The law is that a sample of a pure substance is the same as any other sample of the pure substance no matter what the source is
</span>hope it helps