You should learn oceanology and also geography,biology.
Answer:
Scientists use the geologic time scale to illustrate the order in which events on Earth have happened. ... They used relative dating to divide Earth's past in several chunks of time when similar organisms were on Earth. Later, scientists used absolute dating to determine the actual number of years ago that events happened.
Brazil, they speak Portuguese.
Answer:
3 years
Explanation:
Even there was a dry year in 1979, the area received almost the normal amount of rain in 1980.
In 1981 however, the year was quite dry, with rainfalls in drop of almost 20%, that began one of the most important drought in the history of Brazil.
In 1982, rainfalls were down by 30% and it got even worse.
In 1983, the rainfalls were down by about 35%, essentially destroying all the agriculture system that had been severely damaged by the two previous years.
In 1984, rain came back a bit higher than its traditional levels, and in 1985, the area was flooded by rain surpassing the average by 60%!
