As compared to the rocks that makeup the crust, earth as a whole is a rock nighjhaaaaaaaaa
<span> raising and contribution campaign funds to candidates who agree the views </span><span />
If you could dig a tunnel right through the Earth you could theoretically free-fall to the centre of our planet in just eighteen minutes. You can’t, of course: such a tunnel would have to tolerate temperatures as high as the surface of the Sun and pressures three and a half million times greater than those at the Earth’s surface.
