oxygen and bacteria
Animal waste can help to fertilize the plants.
pigs
their waste...
Yes, animal waste can contain nitrates as a byproduct from the breakdown of nitrogen-containing compounds in the animal's body. When animal waste is not managed properly, such as in concentrated animal feeding operations (CAFOs), nitrates can leach into soil and water sources, causing environmental concerns.
The waste is returned to the soil as nutrients.
No part - if it can be digested then its not waste.
A animal could eat the waste and think it's food and the animal could die.
PIG
Yes, the waste products of animals are manure and urine.
we were formed by animal waste.
dung
Farm animal waste.