The figure below illustrates how nutrients cycle between organic and inorganic reservoirs. Within each reservoir the nutrient may be available or unavailable for use.
According to the figure above, what is the inorganic reservoir where phosphorus is unavailable?
A)the atmosphere
B)the soil
C)ocean sediments
D)decomposers

Question

The figure below illustrates how nutrients cycle between organic and inorganic reservoirs. Within each reservoir the nutrient may be available or unavailable for use. 
According to the figure above, what is the inorganic reservoir where phosphorus is unavailable?
A)the atmosphere 
B)the soil 
C)ocean sediments 
D)decomposers

Quizplus · Accepted Answer

The diagram shows that phosphorus is found in ocean sediments as an unavailable inorganic reservoir.

The Figure Below Illustrates How Nutrients Cycle Between Organic and Inorganic