UPSC Prelims 2025 · GS Paper 1 · Q33
Science & Technology
Hard · Earth sciences / Space weather
Consider the following statements:
1. Shifts in the Earth's magnetic field over geological time can be linked to changes recorded in rock magnetism.
2. Solar flares and coronal mass ejections (CMEs) can disturb the Earth's magnetosphere and disrupt satellite/communication systems.
3. Melting of polar ice can cause a redistribution of Earth's mass that slightly shifts water toward the equator.
Which of the above statements are correct?