You are probably right, I might be A. or, I might be wrong it could be C.
Answer:
large rocks
Explanation:
How do I make my soil drain better for plants?
Adding lots of organic matter such as compost, farm manure, or shredded leaves to clayey soil will allow it to drain more easily and hold the right amounts of water and air for better plant growth and increased biological activity.
As in a unusual life form? well we have to stop it because it would interrupt our air voltage<span />