How does the carbon stored in the bodies of living organisms move into rocks?

Question

Living organisms decay and become fossils fuels, which eventually become rocks.
Living organisms decay, releasing carbon into the soil, and soil is compacted into rocks.
Carbon dioxide released through respiration dissolved in certain rocks, like limestone.
Carbon dioxide dissolved in ocean water and is slowly absorbed by rocks in the ocean

Answer 1

Correct answer: Carbon dioxide released through respiration dissolved in certain rocks, like limestone.