Here's a problem to solve: What is the role of decomposers in a food web?

Among the 4 following options, which is the correct answer?

- A: Decomposers use sunlight to make food.
 
- B: Decomposers are a food source for plants.
 
- C: Decomposers break down dead plants and animals.
 
- D: Decomposers only eat plants that grow underground.
 