state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
Consider the following statements:
1. A Van Allen radiation belt is a zone of energetic charged particles.
2. The lack of a significant magnetosphere is one reason for Mars’s thin atmosphere.
3. Earth’s magnetic field, predominantly dipolar at its surface, is distorted further out by the solar wind.
How many of the above statements are correct?
1
Only one
2
Only two
3
All three
4
None