module 3 session 9 lesson 1 quiz Posted on February 16, 2026February 16, 2026 by admin Welcome to your module 3 session 9 lesson 1 quiz Country What are the main causes of air quality degradation in urban areas? (Select all correct options) Vehicle emissions Industries Oil spills Excessive use of agricultural fertilisers What is smog? A form of air pollution that occurs when smoke mixes with fog, resulting in a thick mist. A type of acid rain formed due to industrial pollution. A meteorological phenomenon causing temperature variations. A toxic gas released by vehicles in rural areas. None The term "smog" appeared: In rural areas of the USA due to agriculture. In industrial cities of China after 1950. In tropical areas with plastic pollution. In industrial cities such as London, due to the burning of coal. None Which of the following cities has topographical conditions that favor smog formation due to valleys surrounded by mountains? Lahore Cairo London México None Smog increase due to burning low-quality fossil fuels is a problem experienced in: London Lahore Paris Tokyo None What are the effects of smog on human health? (Select all correct options) Respiratory problems Eye irritation Aggravation of cardiovascular diseases No significant effect Which of the following statements concerns industrial smog? It results from photochemical reactions between NOₓ and VOCs. It is more common in hot climates. It is formed from the release of sulphur dioxide (SO₂) and solid particles following the burning of sulphur-rich fuels, such as coal. It is related exclusively to road traffic. None Ground-level ozone (O₃), formed during photochemical smog, contributes to: The dispersion of pollutants. Increasing biodiversity. Improving air quality. Increasing the greenhouse effect. None During a thermal inversion: Cold air rises above warm air. A layer of hot air overlays a layer of cold air close to the ground, preventing pollutant dispersion. Pollutants disperse faster. Wind speed increases significantly. None What are the most effective measures to combat smog formation in cities? (Select all correct options Increase monitoring of industrial emissions Encourage the use of public transport Create green urban areas Promote consumption of low-quality fossil fuels Time's up
