Canadian Entry To Practice (CETP) Practice Test

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What is a primary environmental concern associated with incomplete combustion of propane?

Ozone depletion
Greenhouse gas emissions
Air quality degradation
Excessive water consumption

The correct answer is: Air quality degradation

The primary environmental concern associated with incomplete combustion of propane is air quality degradation. When propane is burned incompletely, it can produce a variety of harmful byproducts, including carbon monoxide, particulate matter, and unburned hydrocarbons. These substances can significantly impact air quality, leading to health issues such as respiratory problems and cardiovascular diseases in humans, as well as contributing to broader environmental issues like smog formation. Incomplete combustion not only reduces the efficiency of the fuel but also releases pollutants that can affect the atmosphere, soil, and water bodies, exacerbating air quality issues in urban and industrial areas. Addressing air quality degradation is crucial for maintaining public health and supporting environmental sustainability, making it a key concern associated with incomplete combustion of propane. While greenhouse gas emissions do occur with incomplete combustion, the more immediate and direct impact is on air quality, which makes this the correct focus in the context of the question. Other environmental concerns, such as ozone depletion and excessive water consumption, are less directly linked to the process of propane combustion.