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.
Brazil's system of government is a presidential federal republic. The president as head of government and head of state is elected by popular vote. The National Congress [Cong â¦ resso Nacional do Brasil] is the legislative branch, and the Supreme Federal Court [Supremo Tribunal Federal] is the judicial branch.