Which of the following cycles is crucial to living organisms? a. phosphorus b. water c. carbon d. all of the above

All of the above

Explanation:

The living component of the ecosystem consists of both living and non living components. The living components of the ecosystem consists of plants and animals.

The non-living components of ecosystem consists rocks, river, soil et cetera. The living components of the ecosystem needs to depend on the non living and living components.

The phosphorous, nitrogen and carbon cycle are important for the living components of the ecosystem.  

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

is in the form atp or adenosine triphosphate