Answer:
because they can donate blood to anyone
Explanation:
Water,Nitrogen, phosphorus and carbon are items that are cycled through the biosphere in biogeochemical cycles.
Explanation:
- Biogeochemical cycles maintain the balance of elements and compound in nature.
- These help the chemical substances to circulate through different spheres of the earth.
- They are, water cycle, sulphur cycle Nitrogen cycle, Carbon cycle ,Phosphorus cycle etc.
- If the biogeochemical cycles were not present then elements such as nitrogen , phosphorus carbon should have got completely used up instesad of getting replenished. Thus, making several metabolism stagnant.
A detritivore, also known as a detrivore, are heterotrophs or decomposers that act as nature's recyclers and feed on dead organic material/remains
I'm thinking either the first or second answer. Sorry if this doesn't help.<span />
D. The input of solar energy can be added
