Question

Study the figure shown here and answer the following questions.

1. Identify the kind of pollution and define it.
2. Mention four main sources of the pollution.
3. Write two harmful effects the above-mentioned pollution for the living organisms.

Answer 1

1. Acid rain is shown here.
   Due to increasing industrialisation, there is a lot of CO2, sulphur dioxide (SO2), and oxides of nitrogen emitted, which get dissolved in the raindrops falling on earth as rain. This is acid rain.
2.      
   1. Vehicle exhaust contains CO, SO₂, and CO₂.
   2. The smoke released by factory chimneys contains CO₂, SO2, and oxides of nitrogen.
   3. Brick kilns produce ash, which mixes with air to produce acid rain.
   4. Burning garbage emits hazardous gases, including CO₂.
3.   
   1. Decay of building materials and paints.
   2. Damage to vegetation by pollution of the soil.
   3. Erosion of ancient monuments, statues, and sculptures by the acid reacting with the calcium.
   4. The fine particles (sulphates, nitrates) degrade visibility and harm human health.
   5. Fish and other aquatic animals are harmed due to increased acidity of the water in lakes, rivers, etc.