Question

which nutrient cycle does not involve the atmosphere?
nitrogen cycle
phosphorus cycle
carbon cycle
water cycle

Explanation:

The nitrogen cycle involves nitrogen gas in the atmosphere. The carbon cycle involves carbon - containing gases like carbon dioxide in the atmosphere. The water cycle involves water vapor in the atmosphere. The phosphorus cycle mainly occurs in the soil, rocks and water on Earth's surface, and does not involve the atmosphere significantly.

Answer:

Phosphorus cycle