Acondition of hydrostatic equilibrium in the atmosphere means:

a there is no vertical movement of air
b air rises or descends at constant speed
c air experiences a constant upward acceleration
d meridional flow balances zonal flow

answer: h

explanation:

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.

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