Answer:The correct answer is option B and C.
Step-by-step explanation:
From the given processes carbon is released when:
- The remains of producers are broken down by decomposers.
- The remains of consumers are broken down by soil decomposers.
In the above both the processes the remaining of the producer and consumers are decomposed by the action microorganism present in the soil or by the action of weather or climate into into black carbon mass.
Where as breaking down of food molecules to obtain energy to perform their daily function are the process in which sugar or starch molecules are broken own into energy and carbon dioxide and water.