Question Q.5Briefly discuss and explain impactsGS1GS1

Briefly discuss the role of plate tectonics theory in explaining the location of volcanoes. Also, explain the multifarious impacts of volcanoes on the surrounding regions.

Introduction

Volcanoes are the landforms formed due to release of lava (molten magma)

12 words

Main Body

Volcanoes are the landforms formed due to release of lava (molten magma) & other debris (dyaclast) from inside of the earth through a vent. (eg) → Hawaiian Volcanes. Role of plate tectonic theory: (1) Divergent plates → Ocean-ocean divergence leader to formation of ridges. (2) Convergent plates → Ocean-continent (eg) Andes, Rockies St.Helena. Volcanoes islands as Hawaii, (continues)

Two plate come towards each other. Subduction of dense plate (Oceanic) & melting of plate → eruption of magma. Impacts of volcanoes: (1) Acid rain → release of nitrogen & sulphur oxides by SO Sulphates (2) Ashes → covers nearby areas (crop loses, discast soil) (3) Formation of igneous rocks (lava) (4) Landforms → composite volcanoes, Flood basalt (ex- Deccan Traps), black soil. Volcanoes as a landform are mainly found around Pacific ring of fire as explained by Plate tectonics.

— Aayushi Bansal · AIR 7

138 words1 paragraphs

Conclusion

Volcanoes as a landform are mainly found around Pacific ring of fire as explained by Plate tectonics.

17 words

Diagram

Diagram showing Atlantic ridge with N. Atlantic ocean platea formation and divergent plate boundaries

Clear explanation of plate tectonic mechanisms
Includes specific examples (Hawaiian, Andes, Rockies, St. Helena)
Uses diagrams to illustrate concepts
Comprehensive coverage of impacts
Links to plate tectonics theory throughout
Provides specific examples (Deccan Traps)
Mentions environmental and economic impacts

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Topper

Aayushi Bansal

AIR 72024

Subject & Paper

GS1GS1

Topic

Geophysical Phenomena

Volcanoes and Plate Tectonics

Location of Volcanoes and Plate Boundaries

Writing Stats

167

Total words

Paragraphs

descriptive and comprehensive

Tone

Linked PYQ

A private company is known for its efficiency, transparency and employee welfare. The company though owned by a private individual has a cooperative character where employees feel a sense of ownership. The company employs nearly 700 personnel and they have voluntarily decided not to form a union. One day suddenly in the morning, about 40 men belonging to a political party gate-crashed into the factory demanding jobs in the factory. They threatened the management and employees, and also used foul language. The employees feel demoralized. It was clear that those people who gate-crashed wanted to be on the payroll of the company as well as continue as the volunteers/members of the party. The company maintains high standards in integrity and does not extend favours to civil administration that also includes law enforcement agency. Such incidents occur in public sector also. (a) Assume you are the CEO of the company. What would you do to diffuse the volatile situation on the date of gate-crashing with the violent mob sitting inside the company premises? (b) What could be the long-term solution to the issue discussed in the case? (c) Every solution/action that you suggest will have a positive and a negative impact on you (as CEO), the employees and the performance of the employees. Analyze the consequences of each of your suggested actions.

20M2015