<span>Population density </span><span>defines the average number of people living within a square mile.
</span>
And scientists say it will take natural processes 6,000 years to refill the reservoir
D seismic waves refract or bend to bounce off differently according to the object or material you have
<span>Faults that are undergoing movement (i.e. displacement of rock
strata) that is essentially horizontal in direction and parallel to the strike
of the fault surface are called Strike-slip faults. </span>Other names for Strike-slip faults<span> are transcurrent faults, wrench
faults, or lateral faults.</span>
