Precipitation in the tundra totals 150 to 250 mm a year, including melted snow. That's less than most of the world's greatest deserts! Still, the tundra is usually a wet place because the low temperatures cause evaporation of water to be slow.
In this period, Brazil came back to the two party political system. With the return of democracy, in 1986, and the establishment of the 1988 Constitution, the multiparty political system was set back and several parties were founded.
The Federal Senate (Portuguese: Senado Federal) is the upper house of the National Congress of Brazil. Created by the first Constitution of the Brazilian Empire in 1824, it was initially similar to the United Kingdom's House of Lords.[1] Since the Proclamation of the Republic in 1889 the Federal Senate has resembled the United States Senate.