UPSC CSE Prelims
Interior of the Earth Previous Year Questions (PYQs)
Practice solved questions for Interior of the Earth with detailed step-by-step solutions, key insights, and trend analysis for UPSC CSE PRELIMS.
Solved Previous Year Questions
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Consider the following:
- Electromagnetic radiation
- Geothermal energy
- Gravitational force
- Plate Movements
- Rotation of the earth
- Revolution of the earth
Which of the above are responsible for bringing dynamic changes on the surface of the earth?
Detailed Explanation:
Electromagnetic radiation (solar energy) drives weather systems, ocean currents, and photosynthesis, creating dynamic surface changes.
Geothermal energy from Earth's interior fuels volcanism, hot springs, and geysers, altering landforms.
Gravitational force (Moon and Sun) generates ocean tides, causing coastal erosion and deposition.
Plate movements cause mountain building, earthquakes, volcanism, and continental drift, reshaping the Earth's surface.
Rotation of Earth creates Coriolis effect, influencing wind patterns, ocean currents, and cyclone formation.
Revolution of Earth around the Sun causes seasonal variations, affecting temperature, precipitation, and weathering rates.
All six forces work together to bring continuous dynamic changes to Earth's surface.
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