It would be considered biotic since it is nonliving
Answer:
C) To improve soil fertility and structure
Explanation:
Crop rotation, the practice of planting different crops on the same land, improves soil health and boosts nutrients within the soil.
Answer:
look below
Explanation:
1) keep toxic substances out of the cell
2) allows certain minerals in that are needed and keeps others out and uses reciptors to do so
3) they separate vital but incompatible metabolic processes conducted within organelles