![Earthquakes occur when there is a sudden release of stored up energy in Earth's](https://www.gkseries.com/blog/wp-content/uploads/2022/01/Earthquakes-occur-when-there-is-a-sudden-release-of-stored-up-energy-in-Earths.png)
Q. Earthquakes occur when there is a sudden release of stored up energy in Earth’s
A. inner core
B. outer core
C. upper mantle
D. lower crust
Answer: upper mantle
A. inner core
B. outer core
C. upper mantle
D. lower crust
Answer: upper mantle