Coral reefs formed from calcium carbonate. Coal formed from plants that lived long ago. Limestone rocks quarried at Earth's surface. Carbohydrates stored in fruits and vegetables.
Which represents a short-term storage for carbon?

Options:
- Coral reefs formed from calcium carbonate.
- Coal formed from plants that lived long ago.
- Limestone rocks quarried at Earth's surface.
- Carbohydrates stored in fruits and vegetables.

Carbohydrates stored in fruits and vegetables.