SciELO
The Scientific Electronic Library Online - SciELO is an digital library protecting a selected assortment of Brazilian scientific journals. SciELO interface offers entry to its serials collection via an alphabetic listing of titles or a topic record or a search form by word of serial titles, publisher names, metropolis of publication and topic. 17 The Union, the states, the Federal District, and the municipalities, are the "spheres of presidency".

188 Brazil's Amazon Basin is house to a Umanizzare particularly diverse array of fish species, including the red-bellied piranha Regardless of its repute as a ferocious freshwater fish, the pink-bellied piranha is actually a generally timid scavenger. The political-administrative group of the Federative Republic of Brazil contains the Union, the states, the Federal District, and the municipalities.

Home tourism is a basic market phase for the trade, as fifty one million people traveled throughout the nation in 2005, 286 and direct revenues from Brazilian vacationers reached USD 22 billion, 287 5.6 times more receipts than international vacationers in 2005.