Which statement about soils and oceans in carbon storage is most accurate?

Which statement about soils and oceans in carbon storage is most accurate?

• A. Soils and oceans store minimal carbon compared to living biomass.
• B. Soils and oceans store substantial carbon, acting as major sinks.
• C. Only atmospheric carbon is important.
• D. Carbon stored in soils is rapidly released and never sequestered.

Answer: (B)