It is replicable because all the other answers are based on an individual’s opinion, not science.
Abiotic: which are the non-living factors and chemicals in environments which can affect the ecosystem.
Planting the same crop in the same place each year zaps nutrients from the earth and leaves soil weak and unable to support healthy plant growth. Because soil structure and quality is so poor, farmers are forced to use chemical fertilizers to encourage plant growth and fruit production.
Answer:
Nutrients makes the most sense.
Answer:
The answer is A.
Explanation:
It can be regulated with negative feedback loops.