Question

The most problematic gases emitted in a volcanic eruption includes :

• A. sulphur dioxide
• B. carbon dioxide
• C. hydrogen fluoride
• D. All of the above

Answer 1

Answer: (D)

All of the above

Significant amounts of carbon dioxide, sulfur dioxide, hydrogen sulfide, and hydrogen halides can also be emitted from volcanoes. Depending on their concentrations, these gases are all potentially hazardous to people, animals, agriculture, and property.

Therefore, option $D$ is correct.