Q. What causes earthquakes? (Solved)
1. Occurrence of underground water
2. Volcanic eruptions
3. Occurrence of cracks and fissures in rocks
4. No definite cause has been found so far
- b. Volcanic eruptions
1. Occurrence of underground water
2. Volcanic eruptions
3. Occurrence of cracks and fissures in rocks
4. No definite cause has been found so far