Understanding Fog and Smoke in Urban Areas

The video explains how smoke from chimneys in the capital is trapped at street level, worsening the fog.

What is the primary source of smoke mentioned in the video?

• Chimneys in the capital

• Forest fires

• Factories

• Vehicles

Which of the following is NOT mentioned as a source of smoke?

• Chimneys

• Forest fires

• Factories

• Vehicles

Where is the smoke from the chimneys being trapped?

• In the countryside

• At street level

• In the ocean

• In the upper atmosphere

What is the effect of smoke being trapped at street level?

• It clears the air

• It causes rain

• It aggravates the fog

• It reduces pollution

What is the main problem caused by the trapped smoke?

• Decreased temperature

• Increased visibility

• Reduced air quality

• Enhanced fog