Question

Which reservoir stores the most carbon as measured by Gt?

(1 point)
Responses

Fossil Fuels
Fossil Fuels

Rocks
Rocks

Oceans
Oceans

Atmosphere

Answer 1

The correct answer is **Rocks**. Rocks, particularly sedimentary rocks, store the most carbon, estimated to be in the range of hundreds of thousands to millions of gigatons (Gt). In comparison, fossil fuels, oceans, and the atmosphere store significantly less carbon than rocks.