<p><strong>Fig. 7.3.</strong> This graphic representation of the earth’s layers shows the inner core, the outer core, the mantle, and the oceanic and continental crusts (not to scale).</p>

Fig. 7.3. This graphic representation of the earth’s layers shows the inner core, the outer core, the mantle, and the oceanic and continental crusts (not to scale).

Image by Byron Inouye