UPSC PRELIMS · GEOGRAPHY · PHYSICAL GEOGRAPHY
Consider the following: 1. Pyroclastic debris 2. Ash and dust 3. Nitrogen compounds 4. Sulphur compounds How many of the above are products of volcanic eruptions?
Take a breath. Choose one. Press A–D on your keyboard if you like.
EXPLANATION
Volcanic eruptions can release pyroclastic material, ash and dust, and gases or compounds containing nitrogen and sulphur. Hence all four are products of volcanic activity.
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