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.
I think the answer is B. Geographers use different kinds of maps, depending on the subject they are studying. <span />
Men and their moral rights because of religion
