In the last 300 The deep ocean carbon load has increased by approximately 100 PG. Explain how it could have happened (how did the extra carbon get to the Deep ocean and where did it come from)? A. It got to the deep ocean by first being absorbed into the surface ocean from the atmosphere
B. It got to the deep ocean by being released by photosynthetic organism as a waste product
C. It got to the deep ocean by humans caring out deep-sea oil drilling