Q: Archaeans help break down sewage in waste treatment plants, so they fulfill what important role?


Read this paragraph and choose the correct option from the provided answers:

Like bacteria, archaeans are important decomposers. For example, archaeans help break down sewage in waste treatment plants. As decomposers, they help recycle carbon and nitrogen.

 Choices:

- producers

- consumers

- pollenation

- decomposer


A:
decomposer