Search:

OK, may be in English a "border" means that it is on land. Граница may be everywhere, она проходит по суше или по морю. May be it is frontier then?

I think there must be some kind of a border. I know that there really exist water borders for some length after a shore. Of course oceans are too large for this (like, between USA and France), but...

In Russian secondary and high schools they teach:
In most cases English
In many cases German
In few cases French
In very few cases Spanish.
There are separate special schools with Chinese (as...

You may as well read Cervantes in Russian.
http://www.lib.ru/INOOLD/SERVANTES/
:D :D :D

I wonder how would you be able to explain the following:
1. Attractions between the atoms in each protein molecule make the polypeptide chain fold up into a rather rigid structure with a form...