Q53. 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 ?
Detailed Solution
All four listed items are products of volcanic eruptions. Volcanic eruptions release a variety of materials into the atmosphere and onto the Earth's surface. These include solid fragments like pyroclastic debris (which encompasses volcanic bombs, lapilli, and ash), and fine particles such as ash and dust.
Additionally, volcanoes emit various gases, including significant amounts of nitrogen compounds (like nitrogen oxides) and sulphur compounds (such as sulphur dioxide and hydrogen sulphide). These gases can have considerable impacts on the atmosphere and climate.
This question tests basic knowledge of volcanic processes and their outputs, a core topic in physical geography.
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