Second Form Topic 4 - Pollution video

What are the main components of air pollution?

• Water vapour and oxygen

• Chemicals and particles

• Helium and neon

• Nitrogen and argon

Which of the following is a natural source of air pollution?

• Car exhaust

• Volcanic eruptions

• Factory emissions

• Burning coal

What is the primary cause of air pollution?

• Natural disasters

• Human activities

• Animal migration

• Ocean currents

Which gas is NOT a greenhouse gas mentioned in the text?

• Carbon dioxide

• Methane

• Nitrogen

• Nitrous oxide

What effect does air pollution have on global temperatures?

• It decreases them

• It has no effect

• It increases them

• It stabilises them

What type of smog is formed in the presence of high heat and ultraviolet radiation?

• Sulfurous smog

• Photochemical smog

• Industrial smog

• Acid smog

What are nitrogen oxides primarily released from?

• Volcanic eruptions

• Car exhaust

• Ocean waves

• Forest fires

Which of the following is a consequence of smog?

• Increased visibility

• Improved plant growth

• Respiratory distress

• Reduced pollen production

What are volatile organic compounds released from?

• Water

• Gasoline

• Soil

• Ice

Which of the following is NOT a toxic pollutant mentioned in the video?

• Mercury

• Lead

• Oxygen

• Benzine