Most of Earth's carbon is found A) as CO₂ in the atmosphere. B) in living organisms. C) as bicarbonate and carbonate ions dissolved in the oceans. D) as carbonate minerals in sedimentary rock. E) in the decaying remains of dead organisms.

Question

Quizplus · Accepted Answer

Most of Earth's carbon is stored in sedimentary rocks as carbonate minerals, such as limestone, which contain vast amounts of carbon compared to other reservoirs like the atmosphere, oceans, or living organisms.

Most of Earth's Carbon Is Found