GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following describes the importance of volcanoes and volcanic eruptions?
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Volcanic material mixes with soil and provides important soil nutrients
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Volcanic eruption leads to changes in weather and climate
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Volcanic activities endanger life forms and ecosystems
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Volcanic ejecta eliminates pollutants in the atmosphere
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Explanation:
Detailed explanation-1: -A volcano is defined as an opening in the Earth’s crust through which lava, ash, and gases erupt. The term also includes the cone-shaped landform built by repeated eruptions over time.
Detailed explanation-2: -The principal products of volcanic eruptions may be grouped into several broad categories according to the type of material ejected and its mode of transport from the vents to its place of deposition: ash, falls, pyroclastics flows, lava flow and gas emission.
Detailed explanation-3: -Atmospheric cooling. Land formation. Water production. Fertile land. Geothermal energy. Raw materials. 13-Jun-2018
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