Plate tectonics is a set of theories that describes and explains the distribution of earthquakes, volcanoes, fold mountains and continental drift. It states that the earth's core consists of semi-molten magma and that the earth's surface or crust that moves around on the magma.
"<span>Though every child may now know more of the actual truths of the celestial motions than ever Ptolemy knew, yet the fact that his work exercised such an astonishing effect on the human intellect for some sixty generations, shows that it must have been an extraordinary production."
This would be the sentence in the excerpt from Great Astronomers that shows that Ptolomy's theory was flawed, but that he was still the undisputed authority on astronomy for centuries. </span>
Answer:
<em>Doing this can help the audience understand your topic more because they can see your opinion, rather somebody else´s. It is better said in your words, because maybe some of your audience has heard the same words from the same topic. Using your own perspective makes things more interesting. </em>
Explanation:<em>Hope this helps.</em>
