What was a major reason the soviet union established satellite states in eastern europe after world war ii? (1) developing better trade relations with the west (2) creating a buffer zone against future invasions (3) participating in united nations peacekeeping missions (4) controlling the organization of petroleum exporting countries (opec)

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.

a. i. only is correct.