Final answer:
Damage to infrastructure due to flooding can halt the flow of goods, spread pollutants to farmland, destroy homes and businesses, and have unpredictable effects on local crop prices. Floodwaters can also cause long-term environmental damage by introducing contaminants into ecosystems.
Step-by-step explanation:
The consequence of damage to infrastructure due to flooding that the student's question describes is b) The flow of goods is decreased or halted. This is a direct result of transportation disruptions when floodwaters damage or destroy roads, bridges, and railways. Pollutants spread to farmland can also be a significant issue, as flooding can distribute contaminants from various sources like industrial waste, agricultural runoff, and sewage onto agricultural land, potentially affecting food safety and public health.
Flooding can have a myriad of consequences including direct damage to homes and businesses, which can be washed away or severely damaged, leading to displacement of people and economic hardship. Furthermore, when local crops are affected by contaminants or supply chains are disrupted, this doesn't necessarily lead to lowered prices; in many cases, it can result in scarcity and increased prices.
The impact on ecosystems can be long-lasting, where pollutants in water supplies can harm wildlife, and recovery can take years. Moreover, infrastructure repair and replacement efforts can disrupt ecosystems further, often leading to a negative cycle of environmental damage.