Q68.
Consider the following: 1. Electromagnetic radiation 2. Geothermal energy 3. Gravitational force 4. Plate movements 5. Rotation of the earth 6. Revolution of the earth Which of the above are responsible for bringing dynamic changes on the surface of the earth?
Answer
D
Explanation
All six factors bring dynamic changes to the earth's surface: electromagnetic radiation causes temperature changes and weathering; geothermal energy drives volcanism and diastrophism; gravitational force drives erosion; plate movements build continents; rotation causes tidal forces; revolution causes seasonal and climatic cycles.