Which material erupted from volcanoes is important in acid rain?

Answer 1

Sulfur dioxide is a product of a volcanic eruption that is also found in acid rain.

Answer 2

Sulfur dioxide is a common gas emitted during volcanic eruptions that can contribute to acid rain. When sulfur dioxide reacts with water vapor and other gases in the atmosphere, it forms sulfuric acid, which can then fall back to Earth as acid rain.