Consider the following:
- Pyroclastic debris
- Ash and dust
- Nitrogen compounds
- Sulphur compounds
How many of the above are products of volcanic eruptions?
(a) Only one
(b) Only two
(c) Only three
(d) All four
Answer: (d) All four
Explanation:
Pyroclastic debris, ash and dust, and sulphur compounds are products of volcanic eruptions. Nitrogen compounds are not typically products of volcanic eruptions however Nitrogen compounds, like nitric oxide and nitrogen dioxide, can be indirectly affected by volcanic emissions through chemical reactions in the atmosphere.