Why Are Forests Called Carbon Sinks

Multiple Choice

Why are forests called carbon sinks?

A) Carbon drains out of forest biomes through groundwater running below the surface.
B) Forest biomes store more carbon than they release.
C) Carbon in forest biomes becomes trapped and is never released,even after logging occurs.
D) High amounts of water in forest biomes capture carbon and hold it there.
E) Forests pull carbon out of organic plant materials and transform it into atmospheric carbon.