Final answer:
Phosphorus is the best answer to the question, as it is an essential element that cycles between the environment and living organisms.
Step-by-step explanation:
The best answer to this question is phosphorus. Phosphorus is an essential element for living organisms, and it cycles between the environment and living organisms in a process called the phosphorus cycle. This cycle does not involve the atmosphere, unlike other cycles such as the carbon and nitrogen cycles.
Learn more about Phosphorus cycle