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Given is a simplified model of phosphoru...

Given is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A - D) identify the blanks.

A

(A)-Rock minerals,(B)-Detritus,(C)-Litter Fall,(D)-Producers,

B

(A)Litter Fall,,(B)-Producers,,(C)-Rock minerals,(D)-Detritus

C

(A)-Detritus,(B)-Rock minerals,(C)-Producers,(D)-Litter Fall,

D

(A)-Producers,(B)-Litter Fall,(C)-Rock minerals,(D)-Detritus

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