1. Define the term Volcano. List the different types of Volcano.
2. How a Composite volcano is different from a Shield Volcano?
3. What measures will you take if a Volcano erupts near your vicinity?
Answers
Answer:
1 A volcano is an opening in the earth's crust through which lava, volcanic ash, and gases escape. Volcanic eruptions are partly driven by pressure from dissolved gas, much as escaping gases force the cork out of a bottle of champagne.
Different types of volcanoes include stratovolcanoes, shield, fissure vents, spatter cones and calderas.
2 Composite cone volcanoes are cone-shaped volcanoes composed of layers of lava, ash and rock debris. Composite cone volcanoes can grow to heights of 8,000 feet or more and have explosive eruptions. Shield volcanoes are broad, domed-shaped volcanoes with long, gently sloped sides.
3 IF YOU ARE UNDER A VOLCANO WARNING:
Listen for emergency information and alerts.
Follow evacuation or shelter orders. If advised to evacuate, then do so early.
Avoid areas downstream of the eruption.
Protect yourself from falling ash.
Do not drive in heavy ash fall
Explanation:
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Explanation:
1)A volcano is an opening in the earth's crust through which lava, volcanic ash, and gases escape.
There are three main types of volcano - composite or strato, shield and dome.
2)Composite volcanoes are usually found at destructive plate margins. Examples of composite volcanoes include Mount Fuji (Japan), Mount St Helens (USA) and Mount Pinatubo (Philippines). Shield volcanoes are low with gently sloping sides and are formed from layers of lava. Eruptions are typically non-explosive.
3)Volcanoes spew hot, dangerous gases, ash, lava, and rock that are powerfully destructive. Tune in the radio or television for volcano updates. Listen for disaster sirens and warning signals. Review your emergency plan and gather your emergency supplies.
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