Final answer:
Rebuilding flooded homes in flood plains is a poor decision due to health risks, inadequate water resource management, and the risk of displacement and economic losses in low-lying coastal areas.
Step-by-step explanation:
Rebuilding flooded homes in flood plains is a poor decision due to various reasons. Firstly, flooded homes in flood plains are prone to mold growth, which can be harmful to human health. Additionally, improper water resource management and poor drainage can contribute to recurring flooding and damage to homes. Lastly, populated cities in low-lying coastal areas are at risk of being inundated by the ocean, resulting in the displacement of millions of people and significant economic losses.