Answer:
carbon monoxide , nitrogen oxide water vapour ozen gases etc
Yes, decomposers have predators. A worm is a decomposer, but it's predator is birds.
Answer:
<em><u>Individual organisms live together in an ecosystem and depend on one another. ... One category of interactions describes the different ways organisms obtain their food and energy. Some organisms can make their own food, and other organisms have to get their food by eating other organisms</u></em>