Annanannajajajaananakajajaja
<em>The structure of Brazilian government is a federal one.</em>
<u>Explanation:</u>
The government is divided into executive, judiciary and legislative branches. The government is also a representative one and elected by people. Voting in Brazil is a right as well as a duty.
All people of Brazil vote during elections. Illiterates are also allowed to vote in Brazil. In addition, the voting age in Brazil is 16 which results in high voter turnouts during elections.
Answer:
Most tornadoes form from thunderstorms. You need warm, moist air from the Gulf of Mexico and cool, dry air from Canada. When these two air masses meet, they create instability in the atmosphere.
Answer:
the upper course, the middle course, and the lower course.
Answer:
1. Most common causes---- Mercury, nitrogen and phosphorus, pesticides, dissolved metals (excluding mercury) and PCBs (industrial pollutant)
2. Least common causes---- pH changes
, sedimentation and hypoxia.
Explanation:
The most common heavy metals that causes pollution are chromium (Cr), cadmium (Cd), lead (Pb), nickel (Ni), arsenic (As), mercury (Hg), zinc (Zn) and copper (Cu). Nitrogen and phosphorus application pollutes the water due to its leaching nature. The use of pesticides is very common in agriculture that cause more pollution. Pollutant comes from the industries cause water pollution and is responsible for a number of diseases.