Question 13

(Multiple Choice)

Refer to the figure.
Refer to the figure.   This figure is of the global carbon cycle. (Note: Boxes represent major pools of C, measured in petagrams [1 Pg = 10<sup>15</sup> g]. Arrows represent major fluxes of C, measured in Pg per year; anthropogenic fluxes are shown in orange.)What is the net flux of carbon to the atmosphere? A) ‒4 Pg B) 1.7 Pg C) 6.4 Pg D) 8.7 Pg This figure is of the global carbon cycle. (Note: Boxes represent major pools of C, measured in petagrams [1 Pg = 1015 g]. Arrows represent major fluxes of C, measured in Pg per year; anthropogenic fluxes are shown in orange.)What is the net flux of carbon to the atmosphere?


A) ‒4 Pg
B) 1.7 Pg
C) 6.4 Pg
D) 8.7 Pg

Answer