6.4 One region on the Moon is covered with craters<span>, </span>while another is a smooth volcanic<span> plane. Which is </span>older<span>? How much </span>older? How do we know<span>? The </span>crater-covered<span> surface is close </span>to<span> the same age as the</span>Moon<span> is - about 4 billion years. ... enshrouded in clouds, how </span>do we know<span> as much as we </span>do<span> about its surface?</span>
Death rate, infant mortality
Prehistory.
Because people did not have any form of writing or written language nothing in that time could be recorded or documented.
<span>. It is very rare to have precipitation in either the tundra or deserts. They both experience extreme temperatures. Also, limited and no plant life can survive there.</span>
England I believe. A British Lord worked as intermediate between Argentina and Brazil to fix the dispute over the territory where now Uruguay is.