Question

Which of the following natural phenomenons releases chemicals which cause acid rains?

• A. Volcanic eruptions
• B. Lightning
• C. Rotting vegetation
• D. All

Answer 1

Answer: (D)

All

All the above phenomenons release sulphur and nitrogen oxides which causes acid rains.

Volcanic eruptions have fumes that contain sulfur oxides.

Lightning bolts are a natural source of nitrogen oxides. The very high temperature in the vicinity of a lightning bolt causes the gases oxygen and nitrogen in the air to react to form nitric oxide.

Rotten vegetation also releases sulfur oxides and carbon oxides, which are acidic in nature.

Hence, all options are correct.