You are presented with the question "What can help form and enrich soil?" and the following answer choices: 
- Most plants
 - whales
 - the Sun
 - decomposers
 - swamp vegetation
 - shrub beds
 - phytoplankton
 - fossil fuels

Now knowing that earthworms are important deposit feeders that help form and enrich soil and earthworms are perhaps the most familiar decomposer, choose the best answer.


 

    decomposers     