At which point in a biogeochemical pathway are elements unavailable to plants?
A) when the element is located in a reservoir
B) when the element is located in the exchange pool
C) when the element is dissolved in water
D) when the element is located in the soil
E) when the element is located in the atmosphere

Question

Quizplus · Accepted Answer

Elements in the reservoir are not accessible to plants until they are released through natural processes such as weathering or human activities such as mining.

At Which Point in a Biogeochemical Pathway Are Elements Unavailable