3
QuizMultiple Choice

The Chemistry of Life — Test

Question 3 • CMS 2026-2027 Biology CREDIT RECOVERY

Where is the greatest amount of the world’s carbon found?

Answer
A
atmosphere
B
plants and animals
C
seafloor sediments
D
ocean

Explanation

Most of the world’s carbon is stored in sedimentary deposits, especially carbonate rocks and sediments on the seafloor. The atmosphere, oceans, and living things contain much smaller amounts, so seafloor sediments are the best choice.

AI-written and checked against the verified answer.

Previous
Next