Question: Fact 1: Annelids are worms such as the familiar earthworm.  Fact 2: Earthworms are invaluble for soil health.  Given the two facts above, answer the question "What are invaluable for soil health?" with the following options:  - bacteria  - annelids  - sharks  - Exfoliation  - bioaerosols  - plankton  - evaporation  - sunlight
Answer:
annelids