Dynamic Earth Surface Changes
Question
Consider the following:
Which of the above are responsible for bringing dynamic changes on the surface of the earth?
- 1.
Electromagnetic radiation
- 2.
Geothermal energy
- 3.
Gravitational force
- 4.
Plate movements
- 5.
Rotation of the earth
- 6.
Revolution of the earth
Options
1, 2, 3 and 4 only
1, 3, 5 and 6 only
2, 4, 5 and 6 only
1, 2, 3, 4, 5 and 6
Explanation
All six factors are responsible for bringing dynamic changes to Earth's surface. Electromagnetic radiation drives weathering and erosion through climate systems (1). Geothermal energy powers volcanism and plate tectonics (2). Gravitational force causes tides, water movement, and mass wasting (3). Plate movements cause earthquakes, volcanic activity, and mountain building (4). Rotation causes Coriolis effect, ocean currents, and wind patterns (5). Revolution creates seasonal changes affecting climate and erosion patterns (6). Each factor contributes to dynamic processes shaping the Earth's surface, making all statements correct. > Earth is dynamic through multiple forces: radiation (exogenic), geothermal + gravity + plate movement (endogenic), rotation and revolution (orbital mechanics)—all interconnected. Answer: d.
Question details
Year
2014
Paper
GS Paper 1
Question
Q18
Subject
Geography
Sub-topic
Earth Processes and Forces
Type
Statement-based
Difficulty
Medium
Nature
Static
Source hint
NCERT Geography - Geomorphology
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