Question

This nutrient is cycled between living things and the soil. Plants absorb this nutrient from the soil and turn it into organic compounds through assimilation. Animals eats the plants and pass the nutrient through the food chain from one organism to another. When the animal dies, it decomposes and returns the nutrient back to the soil. The nutrient can also enter the soil through weathering and erosion.

Answer 1

Answer:

1. Phosphorus cycle

2. Carbon cycle

3. Nitrogen cycle

Explanation:

Answer 2

Nitrogen is the answer. Let me know if this helps!