Urine is the liquid waste product of the body that is excreted by the urinary system, and another readily available liquid manure is human urine. Given these facts, readily available liquid manure is a what among the following options:
- aqueous solution
 - more abundant
 - share properties
 - competing for resources
 - major threat to health
 - animal transport
 - looseness of dirt or compost
 - product of the body


 

        product of the body 