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%!
Answer:
B. The Earth is tilted relative to the ecliptic
Explanation:
- Its due to the earth has an axial tilt of 23.5 degrees which is an inclined motion, relative to the orbital plane of rotation. This is the angle of obliquity of the earth from its center.
- For this reason, the earth has solstice in summer, winter, vernal and equinoxes and owning to the fact that the continents in the north have winter in the Northern hemisphere and continents in the south have summer.
- Without this tilt, the earth would have climatic extremes. Day and night time of the earth are also influenced by the same rotational motion.
