Question
All living organisms contain carbon. As organisms grow, they require large quantities of carbon to carry out life processes and make new cells. Where is the source of most of Earth's available carbon? a Carbon is constantly recycled from dead organisms back into the environment. b New carbon atoms are constantly being created by the process of photosynthesis. c Carbon atoms are constantly transferred from the Sun to Earth along with sunlight. d Carbon is constantly transported from the mantle to the crust by volcanic eruptions.
Answers
GPT-4o mini
The best answer is: **a Carbon is constantly recycled from dead organisms back into the environment.**
This reflects the carbon cycle, where carbon is reused and recycled among the atmosphere, organisms, and the environment, rather than being newly created or transferred from external sources.
This reflects the carbon cycle, where carbon is reused and recycled among the atmosphere, organisms, and the environment, rather than being newly created or transferred from external sources.