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

Options

(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

Correct Answer:

Explanation:

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