Fact 1: Earthworm burrows help aerate soil, which is also good for plants.

Fact 2: Potted plants in season include chrysanthemums, daisies and cyclamen.

Given the two facts above, answer the question "what are earthworms good for?" with the following options: 
- gravity
 - food
 - clouds
 - relocation
 - survival
 - daisies
 - weathering
 - vegetation


 

      daisies   