state the two causes of volcanic eruption and its two advantages
Answers
Explanation:
2 CAUSES OF VOLCANIC ERUPTIONS ARE :
- PLATE TECTONICS
- VOLCANOES
2 ADVANTAGES
- formation of hotsprings
- it loosens the soil making minerals more accessible to man kind.
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The two causes of volcanic eruption and its two advantages are as follows:
Causes of volcanic eruption:
- A very high temperature in the earth's core.
- Presence of gases
- Earthquakes
Advantages of Volcanic Eruption:
- Formation of lakes
- Soil becomes fertile
- Formation of plateaues
Explanation:
Cause of Volcanic Eruption:
1. Excess heat in the earth's core:
There is a very high temperature in the earth's core. This high temperature is due to the disintegration of radioactive materials, chemical processes, and upper pressure. Due to this volcanic eruption occurs.
2. Presence of Gases:
The presence of gases, especially water vapour, is essential for a volcanic eruption.
3. Earthquakes:
Earthquakes cause disturbances in the earth's surface and cause faults. Due to these faults, the magma present in the earth's interior comes to the surface, and a volcanic eruption occurs.
Benefits of Volcanic eruption:
- Lakes are formed during the eruption of a volcano which stores water. As a result, there is an economic benefit.
- Due to the accumulation of ash in a large area around the volcano, the soil becomes quite fertile.
- A chain of plateaus is formed from the volcano, from which houses, bridges, roads, etc., are built.
- Volcanoes form mountain groups.
- All types of metals are formed from volcanoes.
- The kimberlite rock of South Africa, in which the world's maximum diamond is found, is also made up of volcanoes.
- Gold is found in abundance in the saddle reef generated by the volcano.
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