6) Which of the following is not true? In a cycle, the residence time of a species?

6) Which of the following is not true? In a cycle, the residence time of a species?

A) is the average amount of time a species spends in a reservoir 

B) depends on the reservoir size 

C) is determined by the combined rate of addition or subtraction of species from the reservoir 

D) depends on the instantaneous rate of addition and subtraction from the reservoir.