The looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Many orchids are rewarding indoor plants.
Looseness of soil has a positive impact on orchids root growth.
what sees a positive impact on root growth due to looseness of soil?
Options:
1. Roundworms
2. Conifers
3. humans
4. h2o
5. orchids
6. Earthworms
7. mussels
8. teeth