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प्रश्न
Write an answer to the following question in your own words.
Explain the effects of a volcano.
उत्तर
A volcanic eruption has both positive and negative effects on the environment and human life.
1. Positive Effects:
- Fertile Soil: Lava, when it cools and breaks down, forms rich and fertile soil that supports agriculture.
- Mineral Resources: Valuable minerals like sulfur, copper, and diamonds are found in volcanic regions.
- New Land Formation: Volcanic eruptions can create new islands and mountains over time.
2. Negative Effects:
- Destruction of Life and Property: Lava flows, ash clouds, and toxic gases can cause severe destruction to nearby cities, forests, and wildlife.
- Air Pollution: Volcanic gases like sulfur dioxide and carbon dioxide contribute to air pollution and acid rain.
- Climate Change: Volcanic ash and gases can block sunlight, leading to temporary cooling of Earth's temperature.
संबंधित प्रश्न
Give geographical reason.
Volcanic eruptions can cause earthquakes.
The narrow pipe through which magma flow out is called a ______.
What is a volcano?
The semi-molten state of interior earth is called ______.
Write a note on Barren Island.
Volcanoes made of cinder and ash and which have sleep slopes are ______ volcanoes.
People who study volcanoes are called ______.
What is an explosive eruption?
Consider the following statement and choose the appropriate answer:
Statement 1: When magma rises slowly to the surface and spreads over a vast area. It is known as a fissure eruption
Statement 2: The viscosity of lava is determined by the amount of silica and water in magma.
Consider the following statement and choose the appropriate answer:
Statement 1: Many volcanoes of Mexico and Central America are cinder-cone volcanoes.
Statement 2: Shield volcano is also called a stratovolcano.
