In the absence of competition, P. aurelia grew better than P. caudatum. Every daythere were more P. aurelia than<span>P. caudatum</span>
I would say your answer is <span><span>The Earth’s surface is responsible for a small fraction of heat radiation to space</span>
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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.