Answer:
A breakdown in trading alliances change or loss of local culture a decrease in avilable jobs
Answer:
Other living organisms.
Explanation:
When plankton and algae overgrow, they choke out living organisms such as fish, coral, etc,
The term is upwelling that is the answer to your question.
Quality inputs (improved seeds and fertilizers) are essential to raising productivity (yields per unit area planted) under both the rainfed and irrigated conditions. In addition, strong extension and advisory services are important for enhancing the adoption and efficiency of improved inputs.
The upward wind or wind in general