They should study about how volcanoes erupt or explodes
Answer: The people migrated to other regions of Central Asia.
Explanation: To escape communism.
The answer is the spring equinox
The difference between the two mentioned magnitudes is 4.
A magnitude 1 earth-quack is 10000 times bigger than a magnitude -3 earth-quack. On the other hand, it is 1000000 times stronger in terms of energy release.
Note: To calculate the difference in energy between two earth-quacks, first you calculate the difference between their magnitudes and then you raise 10 to the output you obtain.
It really depends on which war the question is referring to, but if it's referring to WWII the answer would be true.
