36. A group of students are concerned that an old housing complex in their town will be converted into a factory that will pass toxic chemicals from an underground pipe to a nearby stream. The students plan to write a letter to the mayor to outline the issues related to their concern. Which THREE of the following potential effects resulting from the conversion should be most important for the students to discuss in their letter?
Answer: B,C,D
B, C, and D are the most important potential effects to discuss.
The students should prioritize discussing the disruptions of food chains, adverse effects on public health, and increased light pollution in their letter to the mayor. These issues directly relate to the environmental and health impacts of converting the housing complex into a factory.
A) Decrease in visibility due to smoke
While a decrease in visibility due to smoke can be a concern, it is less critical compared to the other options. This effect primarily impacts aesthetics and immediate visibility rather than long-term ecological or health consequences.
B) Disruptions of food chains
Disruptions of food chains are crucial to address as they can lead to broader ecological imbalances. The introduction of toxic chemicals into the environment can harm various species, leading to a decline in biodiversity and disrupting the natural balance of the ecosystem.
C) Adverse effects on public health
Adverse effects on public health are a significant concern and should be a primary focus in the letter. Exposure to toxic chemicals can lead to serious health issues for the community, including respiratory problems and other long-term health effects, making it essential for the students to highlight this issue.
D) Increased light pollution
Increased light pollution is relevant but is generally less harmful compared to the ecological and health impacts discussed in options B and C. While it affects the natural environment and can disrupt wildlife, it does not pose the same immediate risk to human health and ecosystem stability as the other factors.
E) Contamination by hazardous substances
While contamination by hazardous substances is a serious issue, it is not listed among the correct answers. The effects of such contamination are implied in the discussions of public health and food chain disruptions, making it a concern, but not a standalone choice for the students' letter.
Conclusion
In summary, the students should emphasize B, C, and D in their letter, as these aspects directly address significant ecological and health risks posed by the factory conversion. The other options, while relevant, do not capture the immediate and severe implications of the proposed changes, making them less critical for discussion.