Yes, generally speaking it is true that historical geology is primarily the history of the earth's crust, although the ramifications are somewhat wider in that the discipline takes into account things that happened due to the crust's changes as well.
It looks as if he is replying back to them about a situation that got him confined during "constructive": work as he talk about himself and his work while asking or waiting for an answer back .
There will probably be many new kinds of technology by 2028. One way people could be viewing digital videos is virtual reality. That technology already exists today, and could be improved a lot by then.
<span> I believe in Nubia and Ethiopia, according the World Civilizations AP Edition.</span>
