Identify a relic boundary other than the Berlin wall

In 2009, the author pawel bozyk, described brazil as a newly industrialized country. while its economy had not yet reached that of highly developed countries, brazil has moved itself into being a significant member of the international economy. what economic model does brazil fit into, regarding its development path?

Where does the availability of water pose the greatest problem

5. what is a red giant? can our sun become a red giant? why or why not?