Where are the statements, huh wait what
They are considered so because are the indispensable parts of the nature cycle.Without formation,decay cannot be possible and similarly,formation cannot be possible without decay.In addition to this,THEY ARE IN A CHRONOLOGICAL MANNER SET BY NATURE and that's why cannot be seperated and so together constitute the cycle of nature.
Answer:
the process by which green plants turn carbon dioxide and water into food using energy from sunlight
<span>They are both invertebrates.</span>