Rodina laurussia and gondwana laurasia and gondwana pangaea
Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
Answer:
B, the potential energy is transformed into kinetic. It is not A, because energy can neither be destroyed or created. And I remember the difference between the energy types as the meaning of potential (not in use; not yet at full) and saying that it is not moving.
Explanation:
Sorry if its confusing.
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%!
