The answer is b. elastic deformation
In geologically active areas, stress causes rocks to deform or stretch out. But when the stress ends, the faults return back to normal through elastic deformation. They regain their original shape.
<span>Ore deposits of the element Aluminium do not require extreme concentrations because it is one of the most abundant elements in the earth's crust.
</span><span>Aluminium is the most common metal in the </span><span>Earth's crust.
</span>However aluminium can not be found free stand alone. All of the earth's aluminum<span> is combined with other elements to form compounds.</span>
Most people in Brazil speak Portuguese while most people in Colombia speak <span>Spanish.</span><span />
