Question

What is SMOG and how is it harmful for us?

Hint:

Remember: Smog = Smoke + Fog → Harmful to lungs and environment.

Answer 1

Concept: Smog is a type of air pollution formed by the combination of smoke and fog.
Step 1: Definition.
Smog is a mixture of air pollutants such as smoke, dust, and gases (like sulphur dioxide and nitrogen oxides) combined with fog in the atmosphere.
Step 2: Types of smog.

• Classical smog (sulphur-based)
• Photochemical smog (formed by sunlight and pollutants)

Step 3: Harmful effects.

• Causes respiratory problems like asthma and bronchitis
• Irritates eyes, nose, and throat
• Reduces visibility leading to accidents
• Damages plants and reduces crop yield

Step 4: Conclusion.
Thus, smog is a dangerous air pollutant that adversely affects human health and the environment.