Eratosthenes lived in Alexandria of Egypt in BC 240.. He found out the diameter of Earth thorough geometry and mathematics. Hope this helps .. :)
I would say that igneous rock, because when it is fresh and unaltered can be quite tough to withstand shock would be a better construction material. From experience I believe that the large tightly fitting stones of the Inca fortresses were mostly constructed from igneous rock and it usually stands up well in earthquakes in Peru,
Italy has the most UNESCO World Heritage Sites
<span>They're all the same, officially tropical cyclones. But they just use distinctive terms for a storm in different parts of the world. </span>Hurricane<span> is used </span>in the<span> Atlantic, Caribbean Sea, central and northeast Pacific. They are</span>typhoons in the<span> northwest Pacific.</span>
